What can you conclude about the organization of the elements and their atomic structure

How many atoms are there in 5.70 mol of mg

Which subshell is represented by the actinides family?

If it is an isoelectronic series select true, if not select false. o2-, s2-, se2-, te2- na+, k+, rb+, cs+ n3-, p3-, as3-, sb3- ag, cd+, sn3+, sb4+ f-, cl-, br-, i- f-, ne, na+, mg2+ s2-, s, s6+