How many neutrons are in an atom with the atomic number of 15 and an atomic mass number of 34? ? 19 ? 15 ? 34

asked Mar 1, 2018 102k views

5 votes

How many neutrons are in an atom with the atomic number of 15 and an atomic mass number of 34?

? 19
? 15
? 34

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4 votes

so neutrons = mass number - proton number

therefore , 34-15 = 19

so the answer is 19 !

Joe Ward answered Mar 6, 2018

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