Question

Assertion (a): elements are classified into metals and non-metals on the basis of their atomic weights. reason (r): the valence electron structures contribute to the primary bonding between the atoms to form aggregates.

a.both a and r are true and r is the correct explanation of a

b.both a and r are true but r is not the correct explanation of a

c.a is true but r is false

d.a is false but r is true

Answer 1

b both a and r true but not correct explanation

Answer 2

a is the correct ...