What is the missing number most likely to be for the molecule below? NH?Cl A) 1

Question

What is the missing number most likely to be for the molecule below? NH?Cl A) 1 B) 3 C) 2 D) 4

What is the missing number most likely to be for the molecule below? NH?Br2 A) 2 B) 1 C) 4 D) 3

Of the following, which is the most electronegative? A) N B) H C) Be D) Ni

Which of the following is the least electronegative? A) C B) Pd C) Te D) Os

Is the bond between Li and F more polar than the bond between C and F? A) yes B) no

Of the following molecules, only __________ is polar. A) CBr4 B) CO2 C) Cl2 D) CHCl3

Of the bonds below, __________ is the least polar. A) H-Br B) H-Cl C) H-F D) H-I

According to the Bronsted-Lowry definition, a substance that                a proton is a                 . A) donates, acid B) accepts, nucleophile C) accepts, acid D) donates, nucleophile

Explanation / Answer

1.    D) 4

2.    B) 1

3.    A) N

4.    D) Os

5.    A) yes

6.    D) CHCl3

7.    D) H-I

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