Question

which of the following statements is true about the atoms of any element? a all the atoms of a given element are not identical in that they have a different number of protons. b they have the same size as the atoms of all other elements. c all the atoms of a given element are identical in that they have the same number of protons. d they have the same number of protons as neutrons.

Explanation:

The atomic number, which is determined by the number of protons, defines an element. All atoms of a given element have the same number of protons. Isotopes of an element exist which have different numbers of neutrons. Atoms of different elements have different sizes.

Answer:

C. All the atoms of a given element are identical in that they have the same number of protons.