All matter is made of ____________.

Each element is given a ___________ to use instead of its full name.

When at least two elements are chemically combined to form a new substance, it is called a _____.

If you break apart a compound, such as water, you will find little water parts with the same properties floating around.

___________ are the numbers below element symbols to tell us how many atoms of each element are present in the formula.

The formula H2Co3F has how many atoms in it?

________ are the tiny particles that make up each element and that also retain the properties of that element.

The central core area of the atom is called the ________________.

The positive particle within the atom is called the ____________.

How are metals, nonmetals, and metalloid situated on the periodic table?

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