Question

1. Which one of the following pairs would have a larger size ? Explain.
(1) K or K+ (ii) Br or Br- (iii) 02- or F- (iv) Li+ or Na+
(v) P or As (vi) Na+ or Mg2+

Answer 1

Answer:

1) K

2) Br-

3) O2-

4) Na+

5) As

6) Na+

Explaination:

In first, the size of cation is smaller than size of parent atom.

2) size of anion is greater than parent atom

3) along the period from left to right size decreases.

4) down the group size increases.

5) down the group size increases.

6) along the period size decreases.

Answer 2

Answer:

the answer is explained above