A) \[{{s}^{2}}{{p}^{3}}\]
B) \[{{s}^{2}}{{p}^{4}}\]
C) \[{{s}^{2}}{{p}^{5}}\]
D) \[{{s}^{2}}{{p}^{6}}\]
Correct Answer: B
Solution :
Chalcons are oxygen family.
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