Atoms and Molecules

Class 9 Atoms & Molecules - Fact

Learn more about Atoms and Molecules of Class 9.


Russian chemist Dmitri Mendeleev predicted technetium's existence when he published the first periodic table of the then 63 known elements in 1869, but it was nearly another 70 years before it was discovered The first new atom made by man was?technetium,


Class 1



Class 1 Air & Water - Fact
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Class 1 Animals - Fact
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Class 1 Good Habits & Safety Rules - Fact
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Class 1 Human Beings & Their Needs - Fact
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Class 1 Living & Non- Living Things - Fact
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Class 1 Plants - Fact
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Class 2



Class 2 Animals - Fact
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Class 2 Family And Festivals - Fact
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Class 2 Food - Fact
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Class 2 Housing And Clothing - Fact
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Class 2 Human Body - Fact
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Class 2 Occupations - Fact
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Class 3



Class 3 Birds - Fact
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Class 3 Earth And Universe - Fact
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Class 3 Food - Fact
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Class 3 Housing And Clothing - Fact
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Class 3 Human Body - Fact
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Class 3 Light, Sounds And Force - Fact
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Class 3 Matter And Materials - Fact
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Class 3 Our Environment - Fact
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Class 3 Plants And Animals - Fact
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Class 3 Transport And Communication - Fact
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Class 4



Class 4 Animals - Fact
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Class 4 Clothing - Fact
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Class 4 Earth And Universe - Fact
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Class 4 Food And Digestion - Fact
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Class 4 Human Body And Health - Fact
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Class 4 Our Environment - Fact
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Class 4 Plants - Fact
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Class 5



Class 5 Animals - Fact
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Class 5 Earth & Universe - Fact
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Class 5 Human Body & Health - Fact
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Class 5 Water - Fact
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Class 6



Class 6 Change Around Us - Fact
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Class 6 Components Of Food - Fact
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Class 6 Electricity And Circuits - Fact
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Class 6 Fibre To Fabric - Fact
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Class 6 Fun With Magnets - Fact
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Class 7



Class 7 Winds, Storms and Cyclones - Facts
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Class 7 Nutrition in Plants & Animals - Facts
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Class 7 Respiration in Organisms - Facts
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Class 7 Acids, Bases & Salts - Fact
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Class 7 Heat - Fact
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Class 7 Natural Resources And Their Conservation - Fact
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Class 7 Nutrition In Plants & Animals - Fact
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Class 7 Respiration In Organism - Fact
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Class 7 Transportation In Plants - Fact
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Class 7 Winds, Storms And Cyclones - Fact
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Class 8



Class 8 Cell - Fact
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Class 8 Coal And Petroleum - Fact
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Class 8 Combustion And Flame - Fact
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Class 8 Crop Production And Management - Fact
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Class 8 Force And Pressure - Fact
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Class 8 Friction - Fact
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Class 8 Reproduction In Animals - Fact
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Class 8 Sound - Fact
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Class 8 Synthetic Fibres And Plastics - Fact
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Class 9



Class 9 Cell - The Fundamental Unit Of Life - Fact
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Class 9 Force And Laws Of Motion - Fact
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Class 9 Gravitation - Fact
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Class 9 Improvement In Food Resources - Fact
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Class 9 Is Matter Around Us Pure - Fact
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Class 9 Motion - Fact
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Class 9 Naturalresources - Fact
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Class 9 Sound - Fact
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Class 9 Structure Of Atom - Fact
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Class 9 Tissues - Fact
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Class 9 Why Do We Fall Ill - Fact
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Class 9 Work & Energy - Fact
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Class 10



Class 10 Acids, Bases And Salts - Fact
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Class 10 Carbon And Its Compounds - Fact
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Class 10 Chemical Reactions And Equations - Fact
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Class 10 Electricity - Fact
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Class 10 Heredity And Evolution - Fact
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