Talk:Inorganic Chemistry/Group 1 metals

I have not seen the designations 1s1 before - it seems to be a reference to the period and group or column. There are two group 1's, 1A and 1B, the group designation being allocated according to the single electron in the outer "s" shell. It would be good if someone more knowledgeable in chemistry could add something about that.Skelta (discuss • contribs) 03:40, 11 November 2015 (UTC)