Question

An element Q belongs to group 2 of the long form of the Periodic Table.​

Answer 1

Answer:

As elements P and Q belong to the same period of the modern periodic table and are in group 1 and group 2, they belong to alkali metals and alkaline earth metals, respectively. They will lose electrons easily but not as easily as alkali metals can.

Answer 2

Answer:

Please give me a brain mark

Explanation:

X(NO3)2,XSO4,X3(PO4)2

An element X belongs to group 2 and period 3 of the periodic table so it have valency of +2 (due to 2 valence electron) and it will form

X(NO3 )2,XSo4,X3 (PO4) 2 .