Question

What is the formula for calculating the atomic mass

Answer 1

Answer:

For any given isotope, the sum of the numbers of protons and neutrons in the nucleus is called the mass number. This is because each proton and each neutron weigh one atomic mass unit (amu). By adding together the number of protons and neutrons and multiplying by 1 amu, you can calculate the mass of the atom.

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Answer 2

Answer:

the sum of the number of proton and no. of neutron present in the nucleus.