Dr. S P Jauhar and R Jauhar Solutions for Chapter: Periodic Classification Of Elements, Exercise 1: Revision Exercise

The following elements represent third period of the periodic table:

$\mathrm{Na}, \mathrm{Mg}, \mathrm{Al}, \mathrm{Si}, \mathrm{P}, \mathrm{S}, \mathrm{Cl}, \mathrm{Ar}$

Answer the following:

The following elements represent third period of the periodic table:

$\mathrm{Na}, \mathrm{Mg}, \mathrm{Al}, \mathrm{Si}, \mathrm{P}, \mathrm{S}, \mathrm{Cl}, \mathrm{Ar}$

Answer the following:

Which of these has the smallest size and which has the largest size?

The following elements represent third period of the periodic table:

$\mathrm{Na}, \mathrm{Mg}, \mathrm{Al}, \mathrm{Si}, \mathrm{P}, \mathrm{S}, \mathrm{Cl}, \mathrm{Ar}$

Answer the following:

The following elements represent third period of the periodic table:

$\mathrm{Na}, \mathrm{Mg}, \mathrm{Al}, \mathrm{Si}, \mathrm{P}, \mathrm{S}, \mathrm{Cl}, \mathrm{Ar}$

Answer the following:

Give the symbol for a metal belonging to the second group of the periodic table.

Give the symbol for two non-metals belonging to halogen family.

Give the symbol for the most active halogen.

Give the symbol for the first noble gas in the periodic table.