Question

how to find atomic mass if atomic number given​

Answer 1

Answer:

The number of protons and the number of neutrons determine an element's mass number: mass number is equal to protons +neutrons

Answer 2

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Atomic mass

Atomic mass in an atom or group of an atom is the sum of the masses of protons, neutrons and electrons.

Atomic Mass = No. of protons + No. of neutrons