Subject :NSO Class : Class 6
Subject :NSO Class : Class 5
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 7
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Class : Class 10
Chemical properties of a substance depend on the number of protons and electrons of an atom and independent on number of neutrons because chemical reaction includes how many electrons are being shared by an atom.So the chemical reactivity also depends on number of protons and electrons.
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Subject :NSO Class : Class 6
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Class : Class 6
Because of the WATER CYCLE.
If you dont know what water cycle is,
search it on bing.
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Subject :NSO Class : Class 3
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Subject :NSO Class : Class 3
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Subject :NSO Class : Class 3
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Subject :NSO Class : Class 3