6. Balance the following redox equation using the smallest integers possible and select the correct coefficient for the HI. (A) 1 (B) 2 (C) 4 (D) 7 (E) none of these

7. Which of the following statements is incorrect? (A) NF3 is a polar molecule. (B) The hybridization of the central atom is sp3 in ? (C) According to the molecular orbital model, the bond order of P2 molecule is three. (D) A material is made from Al, Ga, and As. The mole fraction of each element is 0.25, 0.26, and 0.49, respectively. This material would be an p-type semiconductor. (E) none of these

6. Balance the following redox equation using the smallest integers possible and select the correct coefficient for the HI.

(A) 1
(B) 2
(C) 4
(D) 7
(E) none of these

相關試題

相關試卷