Question

Two elements 'P' and 'Q' belongs to same periods of the modern periodic table and are in group 1 and 2 respetively.
Compare the following characteristic of the 2 elements P and Q on the basis of:-

1)formation of their oxides
2)formulae of their chlorides



NONSENSE ANSWERS WILL B REPORTED. ​

Answer 1

Answer:

let p be sodium and q be magnesium.

as the atomic number of sodium is 11 and magnesium is 12 and their atomic mass of sodium is 23.0 and magnesium is 24.3.

in case of sodium there is no formation of oxides in the reaction.

the atomic number of chlorine is 17 and atomic mass is 35.5.

formula is Cl2