Chemical bonding Multiple Choice Questions

 

Chapter 1: Multiple Choice Questions

Instructions

Answer the following questions and then press 'Submit' to get your score.

Question 1

Which is the ground-state electronic configuration of chlorine?

a) 1s22s22p5

b) 1s22s22p63s23p4

c) 1s22s22p63s23p5

d) 1s22s22p83s23p5

Question 2

Which is the ground-state electronic configuration of Na+?

a) 1s22s22p8

b) 1s22s22p63s1

c) 1s22s22p63s2

d) 1s22s22p6

Question 3

Which of the following atoms or ions has the electronic configuration 1s22s22p63s23p6 ?

a) Ne

b) K

c) Cl-

d) Mg2+

Question 4

Which of the following elements is less electronegative than carbon?

a) Si

b) N

c) Cl

d) F

Question 5

Which of the following bonds is the most polar?

a) C-H

b) O-H

c) C-O

d) N-H

Question 6

Which is a correct Lewis structure for carbon dioxide, CO2?

a) 

b) 

c) 

d) 

Question 7

Which is a correct Lewis structure for carbonic acid, H2CO3?

a) 

b) 

c) 

d) 

Question 8

Which is a correct Lewis structure for hydrogencarbonate ion, HCO3-?

a) 

b) 

c) 

d) 

Question 9

Which is a correct Lewis structure for hydrogen cyanide, HCN?

a) 

b) 

c) 

d) 

Question 10

Which is a correct Lewis structure for nitric acid, HNO3?

a) 

b) 

c) 

d) 

Question 11

Which of the following does not have the ground-state configuration 1s22s22p6 ?

a) Ne

b) Na+

c) Cl-

d) F-

Question 12

Which of the following elements is the most electronegative?

a) B

b) C

c) Cl

d) N

Question 13

Which of the following elements is the most electropositive?

a) B

b) C

c) Cl

d) N

Question 14

Which of the following elements is the most electronegative?

a) Br

b) Cl

c) F

d) I

Question 15

Which of the following elements is the most electropositive?

a) Br

b) Cl

c) F

d) I

Question 16

Which of the following compounds has an ionic bond?

a) H2O

b) NH4Cl

c) CH3Cl

d) CH3Li

Question 17

Which of the following molecules does not have a dipole moment?

a) CH3Cl

b) CH2Cl2

c) CHCl3

d) CCl4

Question 18

Which of the following contains an atom (other than hydrogen) which lacks an octet of valence electrons?

a) NH3

b) H3O+

c) BH3

d) NH4+

Question 19

Which of the following is a correct Lewis structure of diazomethane, CH2N2?

a) 

b) 

c) 

d) 

Question 20

Which of the following Lewis structures of protonated methanamide is incomplete?

a) 

b) 

c) 

d)