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TEA [102]
3 years ago
15

When two atoms of element Y combine, Y2 molecule is formed.

Chemistry
1 answer:
Liula [17]3 years ago
5 0

Answer:

chemical bond

Explanation:

because this is the only bond used in chemical reactions just like molecules of atoms are combined by this bond

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Does the excess reactant get used up completely in a reaction??
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A. decomposition
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