Classification Of Elements And Periodicity In Properties Ques 159
Question: Which metal has 2 electrons in the outermost orbit
Options:
A) Na
B) Cu
C) Au
D) Be
Show Answer
Answer:
Correct Answer: D
Solution:
$ Be:,1s^{2},2s^{2} $
A) Na
B) Cu
C) Au
D) Be
Correct Answer: D
$ Be:,1s^{2},2s^{2} $
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