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13 September, 00:27

What are elements made of?

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  1. 13 September, 00:29
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    Atoms An element is a substance that is made entirely from one type of atom. For example, the element hydrogen is made from atoms containing a single proton and a single electron. If you change the number of protons an atom has, you change the type of element it is.
  2. 13 September, 00:34
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    Elements are substances that cannot be separated into simpler substances. Salt is made up of the elements sodium and chloride. Water is made up of the elements hydrogen and oxygenn
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