kingtable kingtable

26-06-2019
Chemistry

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an element has atomic number 10 and an atomic number mass of 20. How mamy neutrons are in the atom of this element?

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jcherry99 jcherry99

26-06-2019

Answer:

10

Explanation:

The atomic mass = 20

The atomic number = 10

The number of neutrons = mass - number = 20 - 10 = 10

This formula is always true. There are no exceptions.

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