D And F Block Elements Question 328
Question: Zinc and mercury do not show variable valency like d-block element because
Options:
A) they are soft.
B) their d-shells are complete.
C) they have only two electrons in the outermost shell.
D) their d-shells are incomplete.
Show Answer
Answer:
Correct Answer: B
Solution:
Zn and Hg have d-shells completely filled hence they do not exhibit variable valency.
BETA
