Question

The atom of an element is made up of 13 protons,14 neutrons and 13 electrons.Find its atomic number and mass number

Answer 1

A.NO.= NO. OF e =13

mass no.=(z+p) = 27 u

Answer 2

Atomic number = No. of electrons = 13

Atomic mass / Mass no. = No. of protons + No. of neutrons = 13 + 14 = 27

Hence , the element is Aluminium

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