jasminthomas1 jasminthomas1
  • 24-03-2020
  • Chemistry
contestada

A neutral atom has the atomic number of 10 and the atomic mass is 22 amu. what is the number of neutrons and electrons for this atoms?

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Mistystar4881
Mistystar4881 Mistystar4881
  • 30-03-2020

Hey there!

This atom has 10 protons.

If this atom has an atomic mass of 22, that means the sum of protons and neutrons is 22.

p + n = 22

p = 10

Which makes this true:

10 + n = 22

Subtract 10 from each side to solve for n, the number of neutrons.

n = 12

An atom that has the atomic number of 10 and an atomic mass of 22 has 12 neutrons.

Hope this helps!

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