Elements and Compounds

Gap Filling Quiz

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There are over a hundred different types of atom, called .
The atoms of a particular element are to each other.
They cannot be chemically into any different element.
For example a piece of pure copper consists only of copper .
No chemical process can break it down into a different .
are substances that contain atoms of at least two elements chemically combined.
For example, calcium oxide consists of calcium atoms and oxygen atoms chemically together.