Question

Find the number of protons present in an atom, if its atomic number is 10?

Answer 1

Answer:

The total number of protons and neutrons in the nucleus is called mass number of the atom. It is generally represented by the letter A.

Mass Number(A) = Number of Protons + Number of Neutrons  

As given, the atom of an element contains 10 protons and 12 neutrons , therefore,

mass number = 10 + 12 = 22

So, the mass number of the element is 22.

Explanation:

Answer 2

Answer:

The total number of protons and neutrons in the nucleus is called mass number of the atom. It is generally represented by th letter A.

Mass Number(A) = Number of Protons + Number of Neutrons

As given, the atom of an element contains 10 protons and 12 neutrons , therefore,

mass number = 10 + 12 = 22

So, the mass number of the element is 22.

Explanation:

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