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Which of the following elements will have the lowest atomic mass?
Hydrogen: 1 proton and no neutrons
Nitrogen: 7 protons and 7 neutrons
Oxygen: 8 protons and 8 neutrons
Neon: 10 protons and 10 neutrons

Respuesta :

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! :)

KOOLKOPS

Answer:

5 star and thanks 2015zerojackson

Explanation:

I got the answer right.

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