B S Bisht, R D Madan and, Nelson A Petrie Solutions for Chapter: Periodic Table, Exercise 1: Questions

Name or state the following with reference to the elements of the first three periods of the periodic table:

The group whose elements have zero valency.

Name or state the following with reference to the elements of the first three periods of the periodic table:
A covalent compound formed between an element in Period $2$ and a halogen.

Name or state the following with reference to the elements of the first three periods of the periodic table:
The non-metallic element present in Period $3$ of Group $\mathrm{I} \mathrm{A}$. $\mathrm{II} \mathrm{A}$ and $\mathrm{III} \mathrm{A}$.

Name or state the following with reference to the elements of the first three periods of the periodic table:

The electrovalent compound formed between an alkaline earth metal and a halogen.

Name or state the following with reference to the elements of the first three periods of the periodic table:

The bridge elements of Period $3$ of Group $\mathrm{I} \mathrm{A}$, $\mathrm{II} \mathrm{A}$ and $\mathrm{III} \mathrm{A}$.

Name or state the following with reference to the elements of the first three periods of the periodic table:

An alkali metal in Period $3$ which dissolves in water giving a strong alkali.

Name or state the following with reference to the elements of the first three periods of the periodic table:
The typical elements of Period $2$ and $3$ of group $\mathrm{IV} \mathrm{A}$ and $\mathrm{V} \mathrm{A}$.

Name or state the following with reference to the elements of the first three periods of the periodic table:

An alkaline earth metal in Period $2$.