

MCQOPTIONS
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1. |
Electronic configuration of deuterium atom is [J&K CET 2005] |
A. | \[1{{s}^{1}}\] |
B. | \[2{{s}^{2}}\] |
C. | \[2{{s}^{1}}\] |
D. | \[1{{s}^{2}}\] |
Answer» B. \[2{{s}^{2}}\] | |