D-And F-Block Elements Ques 427
Question: Which belongs to the actinides series
[J & K 2005]
Options:
A) $ Ce $
B) $ Cf $
C) $ Ca $
D) $ Cs $
Show Answer
Answer:
Correct Answer: B
Solution:
$ Ce $ -lanthanide,
$ Cs $ -alkali metal,
$ Cf $ -actinide,
$ Ca $ -alkaline earth metal.