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If an atom of an element has a mass number of 31 And 16 neutrons in its nucleus, what is the atomic number of the element?

Sagot :

Answer:

atomic number =15

Explanation:

If an atom of an element has a mass number of 31 And 16 neutrons in its nucleus, what is the atomic number of the element?

mass number = protons +neutrons =31

protons = 31 -16=15

atomic number IS the number of protons

so atomic number =15

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