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lithium appear in the first column of the PT
atoms this column 'loose a single electron', to form positive ions (+1)
These things will be come second nature after a few weeks, Li +1 and Ca +2 and N -1 for example,, i could be wrong though, maybe 8 yrs since chem
^ that is not right for nitrogen at all
ca -cation li-cation
ha yeah, -3, sorry
There ions are formed to reach to the nearest stable electronic configuration i.e. noble gas configuration.......So, in case of them, Li needs to reach He config. i.e. 1 less e-, so, ion will be Li1+
i should go, only took 2 semesters of chem a few years ago... goodluck
so @steve816 are you satisfied with the answers
So how do I know if it's +1 or +2 and such?
He has 2e- but Li has 3, so, 3-2=+1
group 1 is -1 generally, and group 2 is +2,, transitions have many different ones, and the others,halogens -1, then moving left -1 more each.. to begin
Thanks everyone for all the answers :D Really appreciate it. Wish I could give more than 1 medals, but I think I understand it now :)