A) \[1{{s}^{2}},2{{s}^{2}}\]
B) \[S{{F}_{6}}\]
C) \[_{20}C{{a}^{42}}\]
D) \[\beta \]
Correct Answer: D
Solution :
\[{{H}_{2}}{{O}_{2}}\] \[SiC{{l}_{4}}\]
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