How many protons are in an element with an atomic number of 8 and a mass number of 18? A 8 B 3 C 18 D 10

asked Mar 24, 2020 121k views

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by Nicko

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Answer:

Step-by-step explanation:

I did the test

Gep answered Mar 26, 2020

by Gep

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2 votes

Answer:

Step-by-step explanation:

18-8=10

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