1. Which of the following molecules is non-polar?
(A) NH3
(B) H2O
(C) XeF4
(D) ClF3
(E) none of these
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統計: A(0), B(0), C(1), D(0), E(0) #2795530
統計: A(0), B(0), C(1), D(0), E(0) #2795530