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(a) 2, III A
(b) Short
(b) Bottom light
(c) K. Shell
Group and period of 9/5 B is
(a) 2, III A
(a) 2, III A
See lessFirst three periods in periodic table are
(b) Short
(b) Short
See lessIn periodic table Heluim (He) is placed at
(b) Bottom light
(b) Bottom light
See lessElements of 1st period contains valence electron in –
(c) K. Shell
(c) K. Shell
See less