Which of the following statements is true about the atoms of any element?

a) they have the same number of protons as the atoms of all other elements.

b) they have protons that are identical to the protons of all other elements.

c) they have the same size as the atoms of all other elements.

d) they have the same number of protons as neutrons.

The correct answer is option B.

Explanation:

An atom is a neutral species termed as fundamental unit of a matter. It is said to neutral because it contain equal number of electrons an protons.

All the atoms of same element has same number of protons and atomic size are identical. But atomic size of different atoms of different elements are not identical.

But they all have same kind of protons , neutrons and electron.