List any two propertics of the cloments belonging to the first group o

1.	List any two propertics of the cloments belonging to the first group of themodern periodie table.
Answer» First group elements include Lithium, Sodium, Potassium, Rubidium, Caesium, Francium. Two properties of first group elements are: (i) Atomic radius increases down the group. Reason: Number of shells increases down the group. (ii) They are good conductors of heat and electricity.

List any two propertics of the cloments belonging to the first group of themodern periodie table.

Answer»

First group elements include Lithium, Sodium, Potassium, Rubidium, Caesium, Francium.

Two properties of first group elements are:

(i) Atomic radius increases down the group. Reason: Number of shells increases down the group.

(ii) They are good conductors of heat and electricity.