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16-03-2022
Chemistry

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How many neutrons are in these?

Hydrogen - 1
Hydrogen - 2
Hydrogen - 3

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16-03-2022

Hydrogen's atomic number is 1. Hydrogen-1 and -2 are isotopes, so they have different mass numbers. Subtract the atomic number from mass number to get the number of neutrons.

Hydrogen - 1 has 0 electrons

Hydrogen - 2 has 1 neutron

Hydrogen - 3 has 2 neutrons

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