Question

1) A cation whose electron configuration resembles argon?
2) An anion whose electron configuration resembles neon?​

Answer 1

Explanation:

Every atom in its ground state is uncharged. It has, according to its atomic number, the same number of protons and electrons. Electrons are rather labile, however, and an atom will often gain or lose them depending on its electronegativity. The driving force for such gain or loss of electrons is the energetically optimal state of having a full valence (outermost) shell of electrons. In such a state, the resulting charged atom has the electron configuration of a noble gas.

Addition of an electron will disrupt the proton-electron balance and leave the atom negatively charged. Removal of an electron will, conversely, leave the atom positively charged. These charged atoms are known as ions.

Answer 2

Answer:

1 - THE ELECTRONIC CONFIGURATION OF CHLORIDE ION IS SAME AS THAT OF AN ARGON ATOM.

2 - the Mg2+ ion and the neutral neon atom are isoelectronic, which implies that they have the same number of electrons and, of course, the same electron configuration.