Question

1. which of the following statement(s) are true about the atoms of any element? a. the number of protons in an atom of an element is unique to each element. b. the number of protons and neutrons in an atom of an element is unique to each element. c. a proton is an atom of one element that is identical to a proton in an atom of another element. d. the number of protons in an atom of an element is the same for all elements.

Explanation:

The atomic number, which is the number of protons in an atom, defines the element. Each element has a unique number of protons. Neutrons can vary (isotopes), and protons are sub - atomic particles, not atoms. Protons are identical regardless of the element they are in, but the number of them in an atom is unique per element.

Answer:

a. The number of protons in an atom of an element is unique to each element.
c. A proton is an atom of one element that is identical to a proton in an atom of another element.