Question

how to find proton and neutron when atomic number and mass number is given only
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Answer 1

Answer:

Atomic number= No. of protons

Mass no= No of Protons + Neutrons

Mass no - Atomic No = No of Neutrons

Answer 2

Answer:

The number of protons in the nucleus of the atom is equal to the atomic number (Z). The number of electrons in a neutral atom is equal to the number of protons. The mass number of the atom (M) is equal to the sum of the number of protons and neutrons in the nucleus.