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How many protons are in an element with an atomic number of 8 and a mass number of 18?

18
10
8
3

User Whiteatom
by
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2 Answers

2 votes

Answer:

Number of Electrons = Number of Protons = Atomic Number

number of protons = atomic no = 8

User Ron Jacobs
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5.1k points
3 votes

Answer:

I believe the answer is 8

User Whitney Foster
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