S Block Elements Question 40
Question: Which of the following element does not belong to the family of elements indicated
[Orissa JEE 1997]
Options:
A) Rubidium (Rb, Z = 37) : Alkali metals
B) Barium (Ba, Z = 56) : Alkaline earth metals
C) Iridium (I, Z = 77) : Nobel gases
D) Argon (Ar, Z = 18) : Nobel gases
Show Answer
Answer:
Correct Answer: C
Solution:
Iridium $ [I,Z=77] $ is not belong to noble gas.
BETA
