cfdewar1416 cfdewar1416

12-06-2019
Chemistry

contestada

If an atom contains 11 protons and 12 neutrons, what is its mass number?

Respuesta :

davidakamara13 davidakamara13

12-06-2019

Answer: The mass number will be 23

Explanation: The mass number refers back to the number of protons and neutrons.

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