Question 0

The atomic radius of Li, Na and K are 1: 33A, 1. 54A and 1. 96A res pectively. Which of the following explaqins this gradation in atomic radius?

  • A.electropositivity decreases from Li to Na to K
  • B.electronegativity decreases from Li to Na to K
  • C.the number of the electron shells increases from Li to Na to K
  • D.the elements are in the same period
  • E.
Objective

Question details

Exam body
JAMB
Subject
Chemistry
Year
1989
Question no.
#0
Type
Objective

More from this paper

See all Chemistry 1989 questions