ryleighsavoy173 ryleighsavoy173

22-09-2017
Chemistry

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How many protons (p) and neutrons (n) are in an atom of magnesium-26?

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E3nigma E3nigma

26-09-2017

Well first of all, we know that the atomic mass of magnesium is 26 due to the fact that it is stated. We can then go to the periodic table and find the atomic number of magnesium, which is 12. We then subtract, 26 - 12 = 14.

Protons - 12
Neutrons - 14

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