batman6873 batman6873

07-07-2021
Chemistry

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A sodium atom has 11 protons and 12 neutrons. What is the mass number of this sodium atom?

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pappuchaudhary852 pappuchaudhary852

07-07-2021

Sodium has a mass number of 23amu. Since sodium has 11 protons, the number of neutrons must be 23 – 11 = 12 neutrons.

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