SATHEE: Classification Of Elements And Periodicity In Properties Question 310

Classification Of Elements And Periodicity In Properties Question 310

Question: Which pair of atomic numbers represents $ s $ -block elements [EAMCET 1990; RPMT 1997; MP PET 2003]

Options:

A) 7, 15

B) 6, 12

C) 9, 17

D) 3, 12

Show Answer

Answer:

Correct Answer: D

Solution:

Last electron goes to the s-subshell.

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Classification Of Elements And Periodicity In Properties Question 310

Question: Which pair of atomic numbers represents $ s $ -block elements [EAMCET 1990; RPMT 1997; MP PET 2003]

Options:

Answer:

Solution:

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