5 block elements of the periodic table one made... - JAMB Chemistry 2015 Question
5 block elements of the periodic table one made up of
A
groups 1, 2, 3
B
groups 1, and 2
C
group 3
D
group 3 to 7
correct option: b
5 block elements only are made up of group 1 and 2 options A,C,D takes place of the other blocks in the periodic table p,d,f etc.
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