SATHEE: Classification Of Elements And Periodicity In Properties Question 289

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.

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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:

Answer:

Solution:

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