what is an element? give 2 examples
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an element is a substance that is made entirely from one type of atom...e.g;-hydrogen helium
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- Elements are the simplest pure substances that cannot be broken into two or more simpler substances by any physical or chemical method.
Examples of elements are :-
- H - Hydrogen.
- He - Helium.
- Li - Lithium.
- Be - Beryllium.
- B - Boron.
- C - Carbon.
- N - Nitrogen.
- O - Oxygen.
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