17-10-2021
Chemistry

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What is the approximate atomic mass of an isotope of lithium that has 3 electrons, 3 protons, and 5 neutrons?

Respuesta :

17-10-2021

Answer:Atomic mass is 7

number of proton= charge number = Z =3

number of neutron = neutron number = N = 4

mass number=A = ?

A = Z + N = 3+4 =7

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