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1. Of the following atoms, the one with the largest radius is: a) magnesium b) p

ID: 834537 • Letter: 1

Question

1. Of the following atoms, the one with the largest radius is:

a) magnesium

b) potassium

c) carbon

d) nitrogen

e) helium

2. Of the following species, the one with the largest radius is:

a) H+

b) Cl?

c) Ca+2

d) S?2

e) Ar

3. Of the following atoms, the one that is most magnetic is:

a) beryllium

b) copper

c) aluminum

d) barium

e) nitrogen

4. Of the following atoms, the one that is easiest to ionize is:

a) potassium

b) neon

c) fluorine

d) sulfur

e) phosphorus

5. Of the following atoms, the one that has the highest electronegativity is:

a) potassium

b) phosphorus

c) oxygen

d) carbon

e) lithium

1

6. The total number of valence electrons in PO^?34 is:

a) 26

b) 28

c) 29

d) 30

e) 32

7. The number of lone pair on the nitrogen in NF3 is:

a) no lone pair

b) 1 pair

c) 2 pair

d) 3 pair

e) 10 pair

8. The number of double bonds in a molecule of SO2 is:

a) 0

b) 1

c) 2

d) 3

e) 4

9. The number of resonance structures (not involving d orbitals) required to correctly describe the

bonding in the linear ion N?

3 is:

a) 2

b) 3

c) 4

d) 5

e) 6

10. If the hybridization of the central sulfur is sp3, the formal charge on the central sulfur atom in OSCl2

is:

a) -2

b) -1

c) 0

d) +1

e) +2

2

11. The average sulfur-oxygen bond order in SO2 is:

a) 1.0

b) 1.3

c) 1.5

d) 1.7

e) 2.0

12. Of the following species, the one that is linear is:

a) H2S

b) CH?

2

c) O3

d) H2O

e) I?

3

13. The hybridization of the central atom in XeF2 is:

a) sp

b) sp2

c) sp3

d) sp3d

e) sp3d2

14. The O

Explanation / Answer

1.b

2.e

3..a

4.a

5.c

6.e

7b

8c

9a

.10.c

11.e

12.c

13.d

14.e

15.e

16.c

17.c

18.a

19.d