Question

C. Select the smaller ion form each of the
following pairs:
K plus or Ii Plus ​

Answer 1

Explanation:Potassium atomic number is 19. So if an electron is lost, it’s atomic number is 18 and it has 18 electrons. Lithium atomic number is 3. So if it loses an electron, it’s atomic number is 2 and has 2 electrons.

Answer: Li+ is smaller than K+.

Answer 2

Answer:

Ion from atom having greater atomic number are always larger. Between li+ (generated from li) and k+(generated from k) k has greater atomic number than li. Thus, the smaller ion is li