Compounds and Elements

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  • Elements and compounds
    • The atoms in a particular element are identical to each other and cannot be changed chemically into any different element.  For example, a piece of sulphur consists of only sulphur atoms and no chemical process can break it down into a different substance.
    • Compounds are substances that contain atoms of at least two elements chemically combined. For example, magnesium oxide consists of magnesium and oxygen atoms bonded together.


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