Chemistry WAEC

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

A. 17
B. 18
C. 34
D. 35
E. 52

Correct Answer:

Option D – 35

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