grp 1
alkali metals
grp 1 properties
grp 2
alkaline earth metals
grp 2 properties
grp 1 & 2 trends
group 7/17
halogens
grp 7/17 properties
group 7/17 trends
group 0/8/18
noble gases
noble gas properties
noble gas trends
transition metal
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group
row=
period