Question

An atom has 13 protons and 14 Neutrons. How many electrons does it contain. With solution explain

Answer 1

$\bf{\underline{\underline \green{AnswEr:-}}}$

• Mass number of an atom is the sum of numbers of protons and neutrons. This is because the mass of electrons is much smaller then neutrons and protons, so we don't count them in. Answer is 13+14=27.

Answer 2

ANSWER:-

mass number of an atom is the some of numbers of protons and neutrons.this is because the mass of electrons is much smaller than neutrons and protons .

so we don't count them in.

Answers is 13+14=27

HERE is the Answer