An element `X` belongs to 3rd period and group 2 of the periodic table. State: (a) number of valence
Channel: Doubtnut
Date: 2020-01-26

An element `X` belongs to 3rd period and group 2 of the periodic table. State: (a) number of valence electrons (b) valency (c) metal or non-metal (d) name of the element