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Which of the following elements has the highest atomic mass? A) Helium: 2 protons and 2 neutrons B) Nitrogen: 7 protons and 7 neutrons C) Oxygen: 8 protons and 8 neutrons D) Hydrogen: 1 proton and no neutrons
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2 votes
Which of the following elements has the highest atomic mass?

A) Helium: 2 protons and 2 neutrons

B) Nitrogen: 7 protons and 7 neutrons

C) Oxygen: 8 protons and 8 neutrons

D) Hydrogen: 1 proton and no neutrons

User Kristoffer Ahl
by
8.7k points

2 Answers

5 votes
i think its A but I'm not sure. 
User Magnus Runesson
by
7.9k points
3 votes
I think is C
I hope it’s correct
User Pete Kirkham
by
7.7k points
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