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Gelneren [198K]
4 years ago
9

Help plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz

Chemistry
1 answer:
DiKsa [7]4 years ago
4 0

To find the atomic mass of an atom, you need to add the protons and neutrons together.

1) Hydrogen 1+0= 1

2) Nitrogen 7+7= 14

3) Oxygen 8+8= 16

4) Nitrogen 10+10= 20

This shows that hydrogen would have the lowest atomic mass thus being your answer.

You're welcome! :)

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