Question

7) Consider the following elements:
(3)
LI, CI, Br, Na, K, I
a) Arrange the elements according to the groups to which they belong in the Periodic Table
b) What are the common properties on the basis of which the elements have been grouped
together?​

Answer 1

Answer:

a)Li, Na,K is Group 1( alkali metals)

Cl and Br,I is 17 Group( halogens)

b) The elements are grouped an basis on their valency electrons, metals or non metals, etc

Mark me as brainlest.