Classification Of Elements And Periodicity In Properties Question 289
Question: The elements with atomic number 10, 18, 36, 54 and 86 are all [CPMT 1976]
Options:
A) Light metals
B) Inert gases
C) Halogens
D) Rare-earths
Show Answer
Answer:
Correct Answer: B
Solution:
Inert gases, these have $ ns^{2}np^{6} $ configuration.
BETA
