Chemistry, asked by akashskyash8487, 1 year ago

An atom has 7 electrons in its M - shell and contains 18 neutrons in its nucleus. What is its mass number
A) 25
B) 27
C) 35
D) 43

Answers

Answered by Anonymous
11

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   Its mass number

   C) 35

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Answered by varshini1101
3
heya !!


here is your answer⬇️⬇️


Option C is the answer.

An atom has 7 electrons.

M shell contain 18 neutrons.

mass = 35.


hope my answer helps you have
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