Question

The atomic mass of an atom is 23 and its atomic number is 11. the atom has __________________ neutrons. Fill in the blank.

Answer 1

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Atomic no. Is the no. Of protons. Protons are positive, for the atom to be neutral, the no. Of electrons shud be equal to the no. Of protons. Therefore, Atomic no. Can be the no. Of electrons, as well.

Mass no is the no. Of neutrons plus the no. Of Protons in the nucleus.

Massno= no. Of neutrons + Atomic no. (No of protons =atomic no)

23=no of neutron + 11

No of neutrons =23–11 =12

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Answer 2

it must have 12 neutrons because

it has an atomic number of 11 it must have 11 protons. Since it has an atomic mass of 23
so the no of protons is 12
hope this helps you dude ✌️✌️✌️