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07-01-2020
Chemistry

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6. Identify the number of neutrons in one atom of silicon with an isotopic mass number of 28 amu.

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07-01-2020

Answer:

14

Explanation:

Silicon has atomic number 14, so its nucleus contains 14 protons

no. of protons + no. of neutrons = atomic mass number

p + n = A

14 + n = 28

n = 28 - 14 = 14

An atom of Si-28 contains 14 neutrons.

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