An atom has a mass number of 24 and 13 neutrons. What is the atomic number of this atom?

Question

Chemistry

Hebert

26 February, 16:53

An atom has a mass number of 24 and 13 neutrons. What is the atomic number of this atom?

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Answers (2)

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Cooper Gonzalez · Answer 1

A=Mass number=24

N=neutrons=13

Z=atomic number.

A=Z+N

24=Z+13

Z=24-13

Z=11

The atomic number is 11, and this atom is sodium.

Susie · Answer 2

11, the numbers of protons and electrons are always equal in an atom, the numbers of protons tell us about atomic number of element

mass number=no. of P+no. of N

here, 24

no. of P (atomic number) = 24-13=11