Question

1. What is the formal charge on each of the Oxygen atoms in the chlorate ion, ClO₃^-1?

a. -1

b. 0

c. +1

d. +2

2. Draw the Lewis structure and predict the geometry for SO₄^-2.

a. Bent

b. Linear

c. Tetrahedral

d. Trigonal Bipyramidal

3. Which of the following is not planar?

a. SO₃

_b. NO₃^-

^c. BCl₃

d. ClO₃^-

4. Draw the Lewis structure and predict the geometry for SF₄.

a. Trigonal Pyramidal

b. Linear

c. Seesaw

d. Trigonal Bipyramidal

5. Write a Lewis structure for PF₃ and then predict the geometry.

a. Tetrahedral

b. Seesaw

c. Trigonal pyramidal

d. Bent

6. What is the number of bonding electron pairs on the central atom in the chlorate ion, ClO₃^-1.

a. 2

b. 0

c. 1

d. 3

7. All of the following species are best described by writing more than one Lewis structure except

a. NO₃^-

^b. SO₃

_c. O₃

_d. IF₃

_8. Draw the Lewis structure and predict the geometry for NH₃.

a. Trigonal Pyramidal

b. Bent

c. Tetrahedral

d. Square Planar

9. Which of the following has a double bond?

a. CCl₄

_b. CO₂

_c. N₂

_{d. CO}

_10. The total number of nonbonding pairs of electrons on all atoms in CCl₄ is

a. 24

b. 12

c. 32

d. 8

11. Draw the Lewis structure and predict the geometry for HCN

a. Linear

b. Trigonal Planar

c. T-shaped

d. Bent

12.  Which of the following has a triple bond?

a. NO₃^-

^b. Cl₂

_c. CN^-

^d. O₂

_13. Draw the Lewis structure and predict the geometry for IF₄⁺¹.

a. Octahedral

b. Trigonal Bipyramidal

c. Seesaw

d. Square Pyramidal

14. What is the formal charge on Chlorine in the chlorate ion, ClO₃^-1?

a. -1

b. +2

c. +1

d. 0

15. Why does H₂O have a bent geometry and not a linear geometry?

a. Oxygen has 2 lone pairs of electrons

b. Oxygen has 0 lone pairs of electrons

c. Whatcha talkin bout Willis? It IS Linear!!

d. Oxygen has 1 lone pair of electrons

16. Draw the Lewis structure and predict the geometry for SO₃.

a. Trigonal Pyramidal

b. Trigonal Planar

c. Bent

d. Linear

17. What is the formal charge for an Oxygen atom that has two bonds and two lone pairs of electrons in a molecule?

a. -2

b. -1

c. 0

d. +1

18. Carbon will try to form ____ bonds in order to have a 0 formal charge.

a. 3

b. 1

c. 2

d. 4

19. How many dots will the Lewis dot structure for Ra have?

a. 8 dots

b. 0 dots

c. 2 dots

d. 1 dot

20. What is the formal charge on the sulfur atom in SO₃?

a. +2

b. +1

c. -1

d. -2

Answer 1