(a) An aluminium atoms looses three electrons to form a negative ion(b)The formula for the carbonate ion is CO3(c) Ionic bonds are strong, but covalent bonds are weak.(e) The charge on a barium ion is 3+(f) When a gas turns into a liquid, its particles get smaller(g)Lithium fluoride is a mixture because it contains more than one sort of atom(h) In an atom, the number of electrons equals to the number of neutrons.(i) All full electron shells contain 8 electrons(j) In the periodic table, elements in the same group all have the same number of electron shellsPLEASE ANSWER ASAPTHANK YOU
