Question

State the characteristics which remains similar and those which were traditions on moving down a sub-group.

Answer 1

Answer:

Characteristics which remain similar on moving down a group/ sub-group are:  1. Valency of electrons.

2. Chemical properties.  Characteristics which show a transition or moving down a group are:  

1. Metallic character increases down the group.  

2. Number of electron shells increases down the group.  

3. Atomic size increases down the group.  

4. Ionization potential decreases down the group.  

5. Electron affinity decreases down the group