D-And F-Block Elements Ques 351
Question: All those elements belong to f - block whose atomic numbers are
Options:
A) 58 to 71
B) 90 to 103
C) Both a and b
D) None
Show Answer
Answer:
Correct Answer: C
Solution:
.
58 to 71 and 90 to 103 (Lanthanides & actinides).