Question

Distinguish between the following:

s-block elements and p-block elements

Answer 1

s-block elements:

1. The groups IA (1) and IIA (2) elements together with hydrogen constitute the sblock.

2. They have one or two electrons in the outermost shell.

3. The elements of the s-block, except hydrogen, are all metals.

p-block elements :

1. The group III A (13) – VII A (17) and the zero group (18) elements constitute the p-block. 

2. They have three to eight electrons in the outermost shell. 

3. The elements of the p-block include a few metals, all metalloids and all nonmetals.