Which statement best describes the atoms in a solid

Ineed with a, b, c, d, and e on the long answer

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.