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Atomic Number

Nucleus of an...

Question

Nucleus of an atom whose atomic mass is 24 consists of

A

11 electrons, 11 protons and 13 neutrons

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B

11 electrons, 13 protons and 11 neutrons

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C

11 protons and 13 neutrons

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D

11 protons and 13 electrons

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Solution

The correct option is D 11 protons and 13 neutrons
The mass number of an atom is its total number of protons and neutrons and nucleus does not contain electron.
$11$ protons and $13$ neutrons
$11 + 13 = 24$

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