Question

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One of the isotops of neon, neon-22, has an atomic number of 10 and a mass number of 22. in order, how many protonsz electrons anf neutrons are present in its atom?

a) 12, 10, 22
b) 10, 10, 12
c) 12, 12, 10
d) 10, 12, 22

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Answer 1

The answer should be d) 10, 12, 22

Answer 2

answer : b

explanation:
protons=10
electron=10 (no. of electrons equals to the no.of protons)
neutrons=22-10
=12