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20-04-2021
Chemistry

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1
An atom with 17 protons, 17 electrons and 18 neutrons has a mass number
of

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20-04-2021

Answer:

35

Explanation:

mass number = protons in the nucleus + neutrons in the nucleus

17 + 18 = 35, the mass number

Protons and neutrons are together known as nucleons.

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