D is your answer. nearly everything has atoms so it cant be that
A negative ion or anion is an electrically charged atom or group of atoms that are formed by gaining one or more electrons. Whereas a positive ion or cation is an electrically charged atom or group of atoms that are formed by losing one or more electrons.
The losing and gaining all occurs on the outermost shell.
6 . 2 in its inner shell & the remaining 6 in its outer shell.
scandium is a transition metal and shows a valency of 3.