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Question

Which one of the following configuration represents Ar?
  1. 1s22s22p63s2
  2. 1s22s22p63s23p5
  3. 1s22s22p63s23p6
  4. 1s22s22p63s23p2

A
1s22s22p63s2
B
1s22s22p63s23p6
C
1s22s22p63s23p2
D
1s22s22p63s23p5
Solution
Verified by Toppr

Ar :- Atomic no :- 18
Electronic configuration :-
1s22s22p63s23p6

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Q1
Which of the following corresponds to the configuration?
1s22s22p63s23p6
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Q2
Which of the following species has the ground state electron configuration of
1s22s22p63s23p6?


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How many valence electrons are there in the following electronic configuration?
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An element with configuration 1s22s22p63s23p2 is ?
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Q5
Aqueous solution of which salt will not contain ions with the electronic configuration 1s22s22p63s23p6?
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