{"pkgId":"20","subjectId":"1220","fullwidthLayout":false,"contentData":{"PACKAGE_NAME":"Universal Curriculum Library Middle School","PACKAGE_SLUG":"ucl-new-middle-school","PACKAGE_IMG":"file_811713976_1589526736.png","ADMCOURSE_ID":"351","COURSE_NAME":"Middle School Chemistry","COUNTRY_ID":"335","STANDARD_NAME":"UCL-New","ADMSUBJECT_ID":"1220","DISPLAY_NAME":"","DISPLAY_NAME_AR":"","SUBJECT_NAME":"Atoms and Molecules","SUBJECT_NAME_AR":"","CAT_NAME":"Mass Number","CONT_ID":"490","CONT_TITLE":"Mass Number","CONT_DESC":"\u003Ch3\u003EOverview:\u003C\/h3\u003E \r\n\u003Cdiv\u003E \r\n \u003Cbr\u003E \r\n\u003C\/div\u003E \r\n\u003Cdiv\u003EAn atom consists of three subatomic particles namely: electrons, protons and neutrons. 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The mass number of an atom is the sum of the number of protons and the number of neutrons in the nucleus.\u003C\/div\u003E \r\n\u003Cdiv\u003E \r\n \u003Cbr\u003E \r\n\u003C\/div\u003E \r\n\u003Ch3\u003ELearning Objectives:\u003C\/h3\u003E \r\n\u003Cdiv\u003E \r\n \u003Cbr\u003E \r\n\u003C\/div\u003E \r\n\u003Cdiv\u003EAfter completing this module, you will be able to:\u003C\/div\u003E \r\n\u003Cdiv\u003E- Define mass number.\u003C\/div\u003E \r\n\u003Cdiv\u003E- Identify the mass number of the first 20 elements in the periodic table.\u003C\/div\u003E \r\n\u003Cdiv\u003E- Calculate the mass number of any element.\u003C\/div\u003E","CONT_DESC_AR":"","BACKING_FILE":null,"FILE_UID":null,"SCORM_COURSE_ID":null,"CONT_SRC":null,"MOD_FILES":null,"FOLDER_NAME":null,"CONTTYPE_ID":"9","ANDROID_PKG":"com.umety.vr.ms200296","TOPIC_ID":"ms200296","IS_PUBLISH":"Y","IS_PUBLIC":"Y","CONT_PRICE":null,"PUBLIC_IMG":"thumb_MS200296.jpg","PUBLIC_BANNER_IMG":"MS200296.jpg","PUBLIC_VIDEO":"pvideo_ms200296.mp4","PUBLIC_VIDEO_URL":"https:\/\/youtu.be\/BYE0r79sLXE","DIST":null,"SHOW_ON_HOME":"N","CONTROLLER_REQUIRED":"Y","DOMAIN":"3","CONCEPT":"0","STATUS":"A","EXPIRY_DAYS":null,"CREATED_ON":"2019-05-03 00:00:00","CREATED_BY":"0","UPDATED_ON":"2019-05-03 00:00:00","UPDATED_BY":"2","CONT_ORDER":"0","X_ROTATION":null,"Y_ROTATION":null,"Z_ROTATION":null,"BG_COLOR":"0x000000","X_POSITION":null,"Y_POSITION":null,"Z_POSITION":null,"TEMP_DESC":"Overview:\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;An atom consists of three subatomic particles namely: electrons, protons and neutrons. The mass number of an atom is the sum of the number of protons and the number of neutrons in the nucleus.\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;Learning objectives\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;\u0026lt;div\u0026gt;After completing this module, you will be able to:\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;- Define mass number.\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;- Identify the mass number of the first 20 elements in the periodic table.\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;- Calculate the mass number of any element.\u0026lt;\/div\u0026gt;","IS_ANALYTICS":"Y","VR_ENABLE":"Y","VR_SESSION_ENABLE":"Y","YOUTUBE_URL":null,"CONT_TYPE":"VR Module","CAT_NAME":"Mass Number","ADMSUBJECT_ID":"1220","ADMCOURSE_ID":"351","DISPLAY_NAME":"","DISPLAY_NAME_AR":"","SUBJECT_NAME":"Atoms and Molecules","SUBJECT_NAME_AR":"","SUBJECT_DESC":"Description","SUBJECT_DESC_AR":"","SUBJECT_IMG":null,"SUBJECT_BANNER_IMG":null,"SUBJECT_PRICE":null,"IS_FEATURED":"N","COURSE_NAME":"Middle School Chemistry","COUNTRY_ID":"335","SHORT_NAME":"UCL-New","DOMAIN_NAME":"STEM"},{"CONT_ID":"483","CATEGORY_ID":"1","CONT_TITLE":"Conservation of Mass","CONT_SLUG":"conservation-of-mass","CONT_TITLE_AR":"","CONT_DESC":"\u003Ch3\u003EOverview:\u003C\/h3\u003E \r\n\u003Cdiv\u003E \r\n \u003Cbr\u003E \r\n\u003C\/div\u003E \r\n\u003Cdiv\u003EPhysical and chemical changes follow the law of conservation of mass. The law states that mass cannot be formed or destroyed. Mass remains constant before and after a change.\u003C\/div\u003E \r\n\u003Cdiv\u003E \r\n \u003Cbr\u003E \r\n\u003C\/div\u003E \r\n\u003Ch3\u003ELearning Objectives:\u003C\/h3\u003E \r\n\u003Cdiv\u003E \r\n \u003Cbr\u003E \r\n\u003C\/div\u003E \r\n\u003Cdiv\u003EAfter completing this module, you will be able to:\u003C\/div\u003E \r\n\u003Cdiv\u003E- Explain the law of conservation of mass.\u003C\/div\u003E \r\n\u003Cdiv\u003E- Illustrate the law of conservation of mass in physical changes.\u003C\/div\u003E \r\n\u003Cdiv\u003E- Illustrate the law of conservation of mass in chemical changes.\u003C\/div\u003E","CONT_DESC_AR":"","BACKING_FILE":null,"FILE_UID":null,"SCORM_COURSE_ID":null,"CONT_SRC":null,"MOD_FILES":null,"FOLDER_NAME":null,"CONTTYPE_ID":"9","ANDROID_PKG":"com.umety.vr.ms200273","TOPIC_ID":"ms200273","IS_PUBLISH":"Y","IS_PUBLIC":"Y","CONT_PRICE":null,"PUBLIC_IMG":"thumb_MS200273.jpg","PUBLIC_BANNER_IMG":"MS200273.jpg","PUBLIC_VIDEO":"pvideo_ms200273.mp4","PUBLIC_VIDEO_URL":"https:\/\/youtu.be\/SRqPI8TJjuM","DIST":null,"SHOW_ON_HOME":"N","CONTROLLER_REQUIRED":"Y","DOMAIN":"3","CONCEPT":"0","STATUS":"A","EXPIRY_DAYS":null,"CREATED_ON":"2019-05-03 00:00:00","CREATED_BY":"0","UPDATED_ON":"2019-05-03 00:00:00","UPDATED_BY":"2","CONT_ORDER":"0","X_ROTATION":null,"Y_ROTATION":null,"Z_ROTATION":null,"BG_COLOR":"0x000000","X_POSITION":null,"Y_POSITION":null,"Z_POSITION":null,"TEMP_DESC":"Overview:\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;Physical and chemical changes follow the law of conservation of mass. The law states that mass cannot be formed or destroyed. Mass remains constant before and after a change.\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;Learning objectives\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;\u0026lt;div\u0026gt;After completing this module, you will be able to:\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;- Explain the law of conservation of mass.\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;- Illustrate the law of conservation of mass in physical changes.\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;- Illustrate the law of conservation of mass in chemical changes.\u0026lt;\/div\u0026gt;","IS_ANALYTICS":"Y","VR_ENABLE":"Y","VR_SESSION_ENABLE":"Y","YOUTUBE_URL":null,"CONT_TYPE":"VR Module","CAT_NAME":"Conservation of mass","ADMSUBJECT_ID":"1220","ADMCOURSE_ID":"351","DISPLAY_NAME":"","DISPLAY_NAME_AR":"","SUBJECT_NAME":"Atoms and Molecules","SUBJECT_NAME_AR":"","SUBJECT_DESC":"Description","SUBJECT_DESC_AR":"","SUBJECT_IMG":null,"SUBJECT_BANNER_IMG":null,"SUBJECT_PRICE":null,"IS_FEATURED":"N","COURSE_NAME":"Middle School Chemistry","COUNTRY_ID":"335","SHORT_NAME":"UCL-New","DOMAIN_NAME":"STEM"},{"CONT_ID":"353","CATEGORY_ID":"1","CONT_TITLE":"The Atom","CONT_SLUG":"the-atom","CONT_TITLE_AR":"The Atom","CONT_DESC":"\u003Ch3\u003EOverview:\u003C\/h3\u003E \r\n\u003Cdiv\u003E \r\n \u003Cbr\u003E \r\n\u003C\/div\u003E \r\n\u003Cdiv\u003EAn atom is the smallest particle that defines an element. Atoms are made up of three subatomic particles: electrons, protons and neutrons. Protons and neutrons are present in a small, dense nucleus at the center of the atom. The positively charged nucleus is surrounded by negatively charged electrons.\u003C\/div\u003E \r\n\u003Cdiv\u003E \r\n \u003Cbr\u003E \r\n\u003C\/div\u003E \r\n\u003Ch3\u003ELearning Objectives:\u003C\/h3\u003E \r\n\u003Cdiv\u003E \r\n \u003Cbr\u003E \r\n\u003C\/div\u003E \r\n\u003Cdiv\u003EAfter completing this module, you will be able to:\u003C\/div\u003E \r\n\u003Cdiv\u003E- Define an atom.\u003C\/div\u003E \r\n\u003Cdiv\u003E- Describe subatomic particles.\u003C\/div\u003E \r\n\u003Cdiv\u003E- Explain the subatomic particles that are present in the nucleus.\u003C\/div\u003E \r\n\u003Cdiv\u003E- Explain the subatomic particles that revolve around the nucleus.\u003C\/div\u003E \r\n\u003Cdiv\u003E- Construct a model of an atom.\u003C\/div\u003E","CONT_DESC_AR":"An atom is the smallest particle that makes up all matter. Atoms are made up of three subatomic particles: electrons, protons and neutrons. Protons and neutrons are present a in a small, dense nucleus at the center of the atom. The positively charged nucleus is surrounded by negatively charged electrons.\u0026lt;br \/\u0026gt;\n\u0026amp;nbsp;\u0026lt;br \/\u0026gt;\n\u0026lt;strong\u0026gt;Learning Objectives\u0026lt;\/strong\u0026gt;\u0026lt;br \/\u0026gt;\n\u0026lt;br \/\u0026gt;\nIn this simulation, you will be able to:\n\u0026lt;ol\u0026gt;\n\t\u0026lt;li value=\u0026quot;NaN\u0026quot;\u0026gt;define an atom\u0026lt;\/li\u0026gt;\n\t\u0026lt;li value=\u0026quot;NaN\u0026quot;\u0026gt;describe subatomic particles\u0026lt;\/li\u0026gt;\n\t\u0026lt;li value=\u0026quot;NaN\u0026quot;\u0026gt;explain subatomic particles that are present in the nucleus\u0026lt;\/li\u0026gt;\n\t\u0026lt;li value=\u0026quot;NaN\u0026quot;\u0026gt;explain subatomic particle that revolve around the nucleus\u0026lt;\/li\u0026gt;\n\t\u0026lt;li value=\u0026quot;NaN\u0026quot;\u0026gt;construct the model of an atom\u0026lt;\/li\u0026gt;\n\u0026lt;\/ol\u0026gt;\n","BACKING_FILE":null,"FILE_UID":null,"SCORM_COURSE_ID":null,"CONT_SRC":"","MOD_FILES":null,"FOLDER_NAME":null,"CONTTYPE_ID":"9","ANDROID_PKG":"com.umety.vr.ms200081","TOPIC_ID":"ms200081","IS_PUBLISH":"Y","IS_PUBLIC":"Y","CONT_PRICE":null,"PUBLIC_IMG":"thumb_MS200081.jpg","PUBLIC_BANNER_IMG":"MS200081.jpg","PUBLIC_VIDEO":"pvideo_ms200081.mp4","PUBLIC_VIDEO_URL":"https:\/\/youtu.be\/Y31lr9Sup5A","DIST":null,"SHOW_ON_HOME":"N","CONTROLLER_REQUIRED":"Y","DOMAIN":"3","CONCEPT":"0","STATUS":"A","EXPIRY_DAYS":null,"CREATED_ON":"2019-05-03 00:00:00","CREATED_BY":"1","UPDATED_ON":"2019-05-03 00:00:00","UPDATED_BY":"2","CONT_ORDER":"0","X_ROTATION":null,"Y_ROTATION":null,"Z_ROTATION":null,"BG_COLOR":"0x000000","X_POSITION":null,"Y_POSITION":null,"Z_POSITION":null,"TEMP_DESC":"Overview:\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;An atom is the smallest particle that defines an element. Atoms are made up of three subatomic particles: electrons, protons and neutrons. Protons and neutrons are present in a small, dense nucleus at the center of the atom. The positively charged nucleus is surrounded by negatively charged electrons.\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;Learning objectives\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;\u0026lt;div\u0026gt;After completing this module, you will be able to:\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;- Define an atom.\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;- Describe subatomic particles.\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;- Explain the subatomic particles that are present in the nucleus.\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;- Explain the subatomic particles that revolve around the nucleus.\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;- Construct a model of an atom.\u0026lt;\/div\u0026gt;\u0026lt;ol\u0026gt;\r\n\u0026lt;\/ol\u0026gt;\r\n","IS_ANALYTICS":"Y","VR_ENABLE":"Y","VR_SESSION_ENABLE":"Y","YOUTUBE_URL":null,"CONT_TYPE":"VR Module","CAT_NAME":"The Atom","ADMSUBJECT_ID":"1220","ADMCOURSE_ID":"351","DISPLAY_NAME":"","DISPLAY_NAME_AR":"","SUBJECT_NAME":"Atoms and Molecules","SUBJECT_NAME_AR":"","SUBJECT_DESC":"Description","SUBJECT_DESC_AR":"","SUBJECT_IMG":null,"SUBJECT_BANNER_IMG":null,"SUBJECT_PRICE":null,"IS_FEATURED":"N","COURSE_NAME":"Middle School Chemistry","COUNTRY_ID":"335","SHORT_NAME":"UCL-New","DOMAIN_NAME":"STEM"},{"CONT_ID":"169","CATEGORY_ID":"1","CONT_TITLE":"Lewis Dot Structures","CONT_SLUG":"lewis-dot-structures","CONT_TITLE_AR":"Lewis dot Structures","CONT_DESC":"\u003Ch3\u003EOverview:\u003C\/h3\u003E \r\n\u003Cdiv\u003E \r\n \u003Cbr\u003E \r\n\u003C\/div\u003E \r\n\u003Cdiv\u003ELewis dot structures of atoms are the representations that show valence electrons as dots around the element\u2019s chemical symbol. Lewis dot structures of molecules are the representations that show the bonding between atoms and lone pairs of electrons.\u003C\/div\u003E \r\n\u003Cdiv\u003E \r\n \u003Cbr\u003E \r\n\u003C\/div\u003E \r\n\u003Ch3\u003ELearning Objectives:\u003C\/h3\u003E \r\n\u003Cdiv\u003E \r\n \u003Cbr\u003E \r\n\u003C\/div\u003E \r\n\u003Cdiv\u003EAfter completing this module, you will be able to: \u003C\/div\u003E \r\n\u003Cdiv\u003E- Explain the steps to represent the \u0026#039;Lewis dot structure\u0026#039; of different atoms and molecules. \u003C\/div\u003E \r\n\u003Cdiv\u003E- Draw the \u0026#039;Lewis dot structures\u0026#039; of atoms and molecules.\u003C\/div\u003E","CONT_DESC_AR":"Lewis dot structures of atoms are the representations that show valence electrons as dots around the element\u0026amp;rsquo;s chemical symbol.Lewis dot structures of molecules are the representations that show the bonding between atoms and lone pairs of electrons.\u0026amp;nbsp;\u0026lt;br \/\u0026gt;\n\u0026lt;br \/\u0026gt;\n\u0026lt;strong\u0026gt;Learning Objectives\u0026lt;\/strong\u0026gt;\u0026lt;br \/\u0026gt;\n\u0026lt;br \/\u0026gt;\nIn this simulation, you will be able to:\u0026lt;br \/\u0026gt;\n\u0026amp;bull; explain steps involved in writing Lewis dot structures of atoms and molecules\u0026lt;br \/\u0026gt;\n\u0026amp;bull; draw Lewis dot structures of atoms and molecules","BACKING_FILE":"hs200069.apk","FILE_UID":null,"SCORM_COURSE_ID":null,"CONT_SRC":"","MOD_FILES":null,"FOLDER_NAME":null,"CONTTYPE_ID":"9","ANDROID_PKG":"com.umety.vr.hs200069","TOPIC_ID":"hs200069","IS_PUBLISH":"Y","IS_PUBLIC":"Y","CONT_PRICE":null,"PUBLIC_IMG":"thumb_HS200069.jpg","PUBLIC_BANNER_IMG":"HS200069.jpg","PUBLIC_VIDEO":"pvideo_hs200069.mp4","PUBLIC_VIDEO_URL":"https:\/\/youtu.be\/W0V5VQ3PcC4","DIST":null,"SHOW_ON_HOME":"N","CONTROLLER_REQUIRED":"Y","DOMAIN":"3","CONCEPT":"0","STATUS":"A","EXPIRY_DAYS":null,"CREATED_ON":"2019-05-03 00:00:00","CREATED_BY":"1","UPDATED_ON":"2019-05-03 00:00:00","UPDATED_BY":"2","CONT_ORDER":"0","X_ROTATION":null,"Y_ROTATION":null,"Z_ROTATION":null,"BG_COLOR":"0x000000","X_POSITION":null,"Y_POSITION":null,"Z_POSITION":null,"TEMP_DESC":"Overview:\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;Lewis dot structures of atoms are the representations that show valence electrons as dots around the element\u2019s chemical symbol. Lewis dot structures of molecules are the representations that show the bonding between atoms and lone pairs of electrons. \u0026lt;br\u0026gt;\u0026lt;br\u0026gt;Learning objectives\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;After completing this module, you will be able to:\u0026lt;br\u0026gt;\u0026amp;nbsp;- Explain the steps to represent the \u0026#039;Lewis dot structure\u0026#039; of different atoms and molecules.\u0026lt;br\u0026gt;\u0026amp;nbsp;- Draw the \u0026#039;Lewis dot structures\u0026#039; of atoms and molecules.\u0026lt;br\u0026gt;","IS_ANALYTICS":"Y","VR_ENABLE":"Y","VR_SESSION_ENABLE":"Y","YOUTUBE_URL":null,"CONT_TYPE":"VR Module","CAT_NAME":"Lewis dot structures","ADMSUBJECT_ID":"1220","ADMCOURSE_ID":"351","DISPLAY_NAME":"","DISPLAY_NAME_AR":"","SUBJECT_NAME":"Atoms and Molecules","SUBJECT_NAME_AR":"","SUBJECT_DESC":"Description","SUBJECT_DESC_AR":"","SUBJECT_IMG":null,"SUBJECT_BANNER_IMG":null,"SUBJECT_PRICE":null,"IS_FEATURED":"N","COURSE_NAME":"Middle School Chemistry","COUNTRY_ID":"335","SHORT_NAME":"UCL-New","DOMAIN_NAME":"STEM"},{"CONT_ID":"144","CATEGORY_ID":"1","CONT_TITLE":"Electron Distribution in Different Shells","CONT_SLUG":"electron-distribution-in-different-shells","CONT_TITLE_AR":"Electron Distribution in Different Shells","CONT_DESC":"\u003Ch3\u003EOverview:\u003C\/h3\u003E \r\n\u003Cdiv\u003E \r\n \u003Cbr\u003E \r\n\u003C\/div\u003E \r\n\u003Cdiv\u003EElectrons are arranged in energy levels, or shells, around the nucleus of an atom. The shell nearest to the nucleus has the least energy and subsequent shells have progressively more energy. Electrons first occupy lowest-energy shell, subsequent shells are occupied according to increasing order of energy. The maximum number of electrons that can be accommodated in any energy level is given by 2n\u00b2 where n is the number of the energy level, such as 1, 2, 3, 4...\u003C\/div\u003E \r\n\u003Cdiv\u003E \r\n \u003Cbr\u003E \r\n\u003C\/div\u003E \r\n\u003Ch3\u003ELearning Objectives:\u003C\/h3\u003E \r\n\u003Cdiv\u003E \r\n \u003Cbr\u003E \r\n\u003C\/div\u003E \r\n\u003Cdiv\u003EAfter completing this module, you will be able to:\u003C\/div\u003E \r\n\u003Cdiv\u003E- Explain the rules for filling electrons in different atomic shells.\u003C\/div\u003E \r\n\u003Cdiv\u003E- Arrange electrons in different atomic shells up to first 20 elements.\u003C\/div\u003E","CONT_DESC_AR":"Electrons are arranged in energy levels, or shells, around the nucleus of an atom. The shell nearest the nucleus has the least energy and subsequent shells have progressively more energy. The electron first occupy the lowest-energy shell, subsequent shells are occupied according to increasing order of energy. The maximum number of electrons that can be accommodated in any energy level is given by 2n2 where n is the number of the energy level, such as 1, 2, 3, 4...\u0026lt;br \/\u0026gt;\n\u0026lt;br \/\u0026gt;\n\u0026lt;strong\u0026gt;Learning objectives\u0026amp;nbsp;\u0026lt;\/strong\u0026gt;\u0026lt;br \/\u0026gt;\n\u0026lt;br \/\u0026gt;\nIn this simulation, you will be able to:\u0026lt;br \/\u0026gt;\n\u0026amp;bull; explain the rules for filling different atomic shells with electrons\u0026lt;br \/\u0026gt;\n\u0026amp;bull; arrange electrons in different atomic shells for the first 20 elements","BACKING_FILE":null,"FILE_UID":null,"SCORM_COURSE_ID":null,"CONT_SRC":"","MOD_FILES":null,"FOLDER_NAME":null,"CONTTYPE_ID":"9","ANDROID_PKG":"com.umety.vr.hs200004","TOPIC_ID":"hs200004","IS_PUBLISH":"Y","IS_PUBLIC":"Y","CONT_PRICE":null,"PUBLIC_IMG":"thumb_HS200004.jpg","PUBLIC_BANNER_IMG":"HS200004.jpg","PUBLIC_VIDEO":"pvideo_hs200004.mp4","PUBLIC_VIDEO_URL":"https:\/\/youtu.be\/rzCLxuiGR_A","DIST":null,"SHOW_ON_HOME":"N","CONTROLLER_REQUIRED":"Y","DOMAIN":"3","CONCEPT":"0","STATUS":"A","EXPIRY_DAYS":null,"CREATED_ON":"2019-05-03 00:00:00","CREATED_BY":"1","UPDATED_ON":"2019-05-03 00:00:00","UPDATED_BY":"2","CONT_ORDER":"0","X_ROTATION":null,"Y_ROTATION":null,"Z_ROTATION":null,"BG_COLOR":"0x000000","X_POSITION":null,"Y_POSITION":null,"Z_POSITION":null,"TEMP_DESC":"\u0026lt;div\u0026gt;Overview:\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;\u0026lt;br\u0026gt;\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;\u0026lt;div\u0026gt;Electrons are arranged in energy levels, or shells, around the nucleus of an atom. The shell nearest to the nucleus has the least energy and subsequent shells have progressively more energy. Electrons first occupy lowest-energy shell, subsequent shells are occupied according to increasing order of energy. The maximum number of electrons that can be accommodated in any energy level is given by 2n\u00b2 where n is the number of the energy level, such as 1, 2, 3, 4...\u0026lt;\/div\u0026gt;\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;\u0026lt;br\u0026gt;\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;Learning Objectives:\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;\u0026lt;br\u0026gt;\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;\u0026lt;div\u0026gt;After completing this module, you will be able to:\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;- Explain the rules for filling electrons in different atomic shells.\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;- Arrange electrons in different atomic shells up to first 20 elements.\u0026lt;\/div\u0026gt;\u0026lt;\/div\u0026gt;","IS_ANALYTICS":"Y","VR_ENABLE":"Y","VR_SESSION_ENABLE":"Y","YOUTUBE_URL":null,"CONT_TYPE":"VR Module","CAT_NAME":"Electron Distribution in Different Shells","ADMSUBJECT_ID":"1220","ADMCOURSE_ID":"351","DISPLAY_NAME":"","DISPLAY_NAME_AR":"","SUBJECT_NAME":"Atoms and Molecules","SUBJECT_NAME_AR":"","SUBJECT_DESC":"Description","SUBJECT_DESC_AR":"","SUBJECT_IMG":null,"SUBJECT_BANNER_IMG":null,"SUBJECT_PRICE":null,"IS_FEATURED":"N","COURSE_NAME":"Middle School Chemistry","COUNTRY_ID":"335","SHORT_NAME":"UCL-New","DOMAIN_NAME":"STEM"},{"CONT_ID":"103","CATEGORY_ID":"1","CONT_TITLE":"The Substances","CONT_SLUG":"the-substances","CONT_TITLE_AR":"The Substances","CONT_DESC":"\u003Ch3\u003EOverview:\u003C\/h3\u003E \r\n\u003Cdiv\u003E \r\n \u003Cbr\u003E \r\n\u003C\/div\u003E \r\n\u003Cdiv\u003EPure substances are made of only one type of atom or only one type of molecule. For example, pure iron would only contain iron atoms, pure water would only contain molecules of water.\u003C\/div\u003E \r\n\u003Cdiv\u003E \r\n \u003Cbr\u003E \r\n\u003C\/div\u003E \r\n\u003Ch3\u003ELearning Objectives:\u003C\/h3\u003E \r\n\u003Cdiv\u003E \r\n \u003Cbr\u003E \r\n\u003C\/div\u003E \r\n\u003Cdiv\u003EAfter completing this module, you will be able to:\u003C\/div\u003E \r\n\u003Cdiv\u003E- Define substances.\u003C\/div\u003E \r\n\u003Cdiv\u003E- List elements as metals, nonmetals, or metalloids.\u003C\/div\u003E \r\n\u003Cdiv\u003E- Classify substances as elements or compounds.\u003C\/div\u003E","CONT_DESC_AR":"Pure substances are made of only one type of atom or only one type of molecule. For example, pure iron would only contain iron atoms, pure water would only contain molecules of water.\u0026lt;br \/\u0026gt;\n\u0026amp;nbsp;\u0026lt;br \/\u0026gt;\n\u0026lt;strong\u0026gt;Learning Objectives\u0026lt;\/strong\u0026gt;\u0026lt;br \/\u0026gt;\n\u0026lt;br \/\u0026gt;\nIn this simulation, you will be able to:\u0026lt;br \/\u0026gt;\n\u0026amp;bull; define substances\u0026lt;br \/\u0026gt;\n\u0026amp;bull; list elements as metals, non-metals, or metalloids\u0026lt;br \/\u0026gt;\n\u0026amp;bull; classify substances as elements or compounds","BACKING_FILE":null,"FILE_UID":null,"SCORM_COURSE_ID":null,"CONT_SRC":"","MOD_FILES":null,"FOLDER_NAME":null,"CONTTYPE_ID":"9","ANDROID_PKG":"com.umety.vr.ms200063","TOPIC_ID":"ms200063","IS_PUBLISH":"Y","IS_PUBLIC":"Y","CONT_PRICE":null,"PUBLIC_IMG":"thumb_MS200063.jpg","PUBLIC_BANNER_IMG":"MS200063.jpg","PUBLIC_VIDEO":"pvideo_ms200063.mp4","PUBLIC_VIDEO_URL":"https:\/\/youtu.be\/n7IFb3_C2SY","DIST":null,"SHOW_ON_HOME":"N","CONTROLLER_REQUIRED":"Y","DOMAIN":"3","CONCEPT":"0","STATUS":"A","EXPIRY_DAYS":null,"CREATED_ON":"2019-05-03 00:00:00","CREATED_BY":"1","UPDATED_ON":"2019-05-03 00:00:00","UPDATED_BY":"2","CONT_ORDER":"0","X_ROTATION":null,"Y_ROTATION":null,"Z_ROTATION":null,"BG_COLOR":"0x000000","X_POSITION":null,"Y_POSITION":null,"Z_POSITION":null,"TEMP_DESC":"Overview:\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;Pure substances are made of only one type of atom or only one type of molecule. For example, pure iron would only contain iron atoms, pure water would only contain molecules of water.\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;Learning objectives\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;After completing this module, you will be able to:\u0026lt;br\u0026gt;\u0026amp;nbsp;- Define substances.\u0026lt;br\u0026gt;\u0026amp;nbsp;- List elements as metals, nonmetals, or metalloids.\u0026lt;br\u0026gt;\u0026amp;nbsp;- Classify substances as elements or compounds.\u0026lt;br\u0026gt;","IS_ANALYTICS":"Y","VR_ENABLE":"Y","VR_SESSION_ENABLE":"Y","YOUTUBE_URL":null,"CONT_TYPE":"VR Module","CAT_NAME":"The Substances","ADMSUBJECT_ID":"1220","ADMCOURSE_ID":"351","DISPLAY_NAME":"","DISPLAY_NAME_AR":"","SUBJECT_NAME":"Atoms and Molecules","SUBJECT_NAME_AR":"","SUBJECT_DESC":"Description","SUBJECT_DESC_AR":"","SUBJECT_IMG":null,"SUBJECT_BANNER_IMG":null,"SUBJECT_PRICE":null,"IS_FEATURED":"N","COURSE_NAME":"Middle School Chemistry","COUNTRY_ID":"335","SHORT_NAME":"UCL-New","DOMAIN_NAME":"STEM"},{"CONT_ID":"96","CATEGORY_ID":"1","CONT_TITLE":"The Molecule","CONT_SLUG":"the-molecules","CONT_TITLE_AR":"The Molecule","CONT_DESC":"\u003Ch3\u003EOverview:\u003C\/h3\u003E \r\n\u003Cdiv\u003E \r\n \u003Cbr\u003E \r\n\u003C\/div\u003E \r\n\u003Cdiv\u003EA molecule is a group of atoms bonded together. Molecules can be monatomic, diatomic or polyatomic on the basis of the number of atoms present in them.\u003C\/div\u003E \r\n\u003Cdiv\u003E \r\n \u003Cbr\u003E \r\n\u003C\/div\u003E \r\n\u003Ch3\u003ELearning Objectives:\u003C\/h3\u003E \r\n\u003Cdiv\u003E \r\n \u003Cbr\u003E \r\n\u003C\/div\u003E \r\n\u003Cdiv\u003EAfter completing this module, you will be able to:\u003C\/div\u003E \r\n\u003Cdiv\u003E- Define molecules.\u003C\/div\u003E \r\n\u003Cdiv\u003E- Calculate the atomicity of different molecules.\u003C\/div\u003E \r\n\u003Cdiv\u003E- Identify monoatomic, diatomic and polyatomic molecules.\u003C\/div\u003E","CONT_DESC_AR":"A molecule is a group of atoms bonded together. Molecules can be monoatomic, diatomic or polyatomic on the basis of the number of atoms present in them.\u0026lt;br \/\u0026gt;\n\u0026amp;nbsp;\u0026lt;br \/\u0026gt;\n\u0026lt;strong\u0026gt;Learning Objectives\u0026lt;\/strong\u0026gt;\u0026lt;br \/\u0026gt;\n\u0026lt;br \/\u0026gt;\nIn this simulation, you will be able to:\u0026lt;br \/\u0026gt;\n\u0026amp;bull; define molecules\u0026lt;br \/\u0026gt;\n\u0026amp;bull; calculate atomicity of a molecule\u0026lt;br \/\u0026gt;\n\u0026amp;bull; identify monoatomic, diatomic and polyatomic molecules","BACKING_FILE":null,"FILE_UID":null,"SCORM_COURSE_ID":null,"CONT_SRC":"","MOD_FILES":null,"FOLDER_NAME":null,"CONTTYPE_ID":"9","ANDROID_PKG":"com.umety.vr.ms200077","TOPIC_ID":"ms200077","IS_PUBLISH":"Y","IS_PUBLIC":"Y","CONT_PRICE":null,"PUBLIC_IMG":"thumb_MS200077.jpg","PUBLIC_BANNER_IMG":"MS200077.jpg","PUBLIC_VIDEO":"pvideo_ms200077.mp4","PUBLIC_VIDEO_URL":"https:\/\/youtu.be\/-MxyzLjRApc","DIST":null,"SHOW_ON_HOME":"N","CONTROLLER_REQUIRED":"Y","DOMAIN":"3","CONCEPT":"0","STATUS":"A","EXPIRY_DAYS":null,"CREATED_ON":"2019-05-03 00:00:00","CREATED_BY":"1","UPDATED_ON":"2019-05-03 00:00:00","UPDATED_BY":"2","CONT_ORDER":"0","X_ROTATION":null,"Y_ROTATION":null,"Z_ROTATION":null,"BG_COLOR":"0x000000","X_POSITION":null,"Y_POSITION":null,"Z_POSITION":null,"TEMP_DESC":"Overview:\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;A molecule is a group of atoms bonded together. Molecules can be monatomic, diatomic or polyatomic on the basis of the number of atoms present in them.\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;Learning objectives\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;\u0026lt;div\u0026gt;After completing this module, you will be able to:\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;- Define molecules.\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;- Calculate the atomicity of different molecules.\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;- Identify monoatomic, diatomic and polyatomic molecules.\u0026lt;\/div\u0026gt;","IS_ANALYTICS":"Y","VR_ENABLE":"Y","VR_SESSION_ENABLE":"Y","YOUTUBE_URL":null,"CONT_TYPE":"VR Module","CAT_NAME":"The Molecules","ADMSUBJECT_ID":"1220","ADMCOURSE_ID":"351","DISPLAY_NAME":"","DISPLAY_NAME_AR":"","SUBJECT_NAME":"Atoms and Molecules","SUBJECT_NAME_AR":"","SUBJECT_DESC":"Description","SUBJECT_DESC_AR":"","SUBJECT_IMG":null,"SUBJECT_BANNER_IMG":null,"SUBJECT_PRICE":null,"IS_FEATURED":"N","COURSE_NAME":"Middle School Chemistry","COUNTRY_ID":"335","SHORT_NAME":"UCL-New","DOMAIN_NAME":"STEM"}],"levelObject":["Atom","Periodi Table Of Elements","Bohr\u0027s Atomic Model"],"contData":{"CONT_ID":"490","CATEGORY_ID":"1","CONT_TITLE":"Mass Number","CONT_SLUG":"mass-number","CONT_TITLE_AR":"","CONT_DESC":"\u003Ch3\u003EOverview:\u003C\/h3\u003E \r\n\u003Cdiv\u003E \r\n \u003Cbr\u003E \r\n\u003C\/div\u003E \r\n\u003Cdiv\u003EAn atom consists of three subatomic particles namely: electrons, protons and neutrons. The mass number of an atom is the sum of the number of protons and the number of neutrons in the nucleus.\u003C\/div\u003E \r\n\u003Cdiv\u003E \r\n \u003Cbr\u003E \r\n\u003C\/div\u003E \r\n\u003Ch3\u003ELearning Objectives:\u003C\/h3\u003E \r\n\u003Cdiv\u003E \r\n \u003Cbr\u003E \r\n\u003C\/div\u003E \r\n\u003Cdiv\u003EAfter completing this module, you will be able to:\u003C\/div\u003E \r\n\u003Cdiv\u003E- Define mass number.\u003C\/div\u003E \r\n\u003Cdiv\u003E- Identify the mass number of the first 20 elements in the periodic table.\u003C\/div\u003E \r\n\u003Cdiv\u003E- Calculate the mass number of any element.\u003C\/div\u003E","CONT_DESC_AR":"","BACKING_FILE":null,"FILE_UID":null,"SCORM_COURSE_ID":null,"CONT_SRC":null,"MOD_FILES":null,"FOLDER_NAME":null,"CONTTYPE_ID":"9","ANDROID_PKG":"com.umety.vr.ms200296","TOPIC_ID":"ms200296","IS_PUBLISH":"Y","IS_PUBLIC":"Y","CONT_PRICE":null,"PUBLIC_IMG":"thumb_MS200296.jpg","PUBLIC_BANNER_IMG":"MS200296.jpg","PUBLIC_VIDEO":"pvideo_ms200296.mp4","PUBLIC_VIDEO_URL":"https:\/\/youtu.be\/BYE0r79sLXE","DIST":null,"SHOW_ON_HOME":"N","CONTROLLER_REQUIRED":"Y","DOMAIN":"3","CONCEPT":"0","STATUS":"A","EXPIRY_DAYS":null,"CREATED_ON":"2017-10-05 12:22:43","CREATED_BY":"0","UPDATED_ON":"2024-10-08 09:04:11","UPDATED_BY":"2","CONT_ORDER":"0","X_ROTATION":null,"Y_ROTATION":null,"Z_ROTATION":null,"BG_COLOR":"0x000000","X_POSITION":null,"Y_POSITION":null,"Z_POSITION":null,"TEMP_DESC":"Overview:\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;An atom consists of three subatomic particles namely: electrons, protons and neutrons. 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