The sBlock Elements - Result Question 37
####43. Which of the following atoms will have the smallest size?
(a) $Mg$
(c) $Be$
(b) $Na$
(d) $Li$
[1989]
Topic 4: Some Important Compounds of Calcium
Show Answer
Solution:
- (c) Within a period, the atomic size decreases from left to right.Further atomic size increases down the group. Hence the correct order is
$ \text{ i.e. } Na>Mg>Li>Be \text{. } $
