Question

b) out of the following elements H(1) Be(4):Na(11):Mg(12)
i)write the pair elements having similar chemical properties
ii) state the group number of each pair.
iii)name one other element belonging to each of these groups​

Answer 1

Answer:

1. H and Na

2.H -group 1 ,Be -group 4 ,Na -1 Ma -group 2

3.LITHIUM