What are the mass number and the atomic number of an atom with 8 protons and 7 neutrons?

Academic Chemistry NCERT Class 8

Mass number is the total no. of protons and neutrons present in an atom's nucleus.

Mass No. = Protons + Neutrons

= 8 + 7 = 15

Mass No. = 15.

Atomic Number is the total number of protons found in the atom of an element.

Atomic No. = No. of Protons

= 8.

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Updated on: 10-Oct-2022

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