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Chem I - Final Exam Review I

Total questions: 31

Worksheet time: 6hrs 12mins

Name
Class
Date
1.

According to the image, how many protons does Phosphorus have?

a)

15

b)

30

c)

+4

2.

According to the image, how many electrons does a NEUTRAL Phosphorus atom have?

a)

15

b)

30

c)

+4

3.

According to the image, how many neutrons does a Phosphorus atom have?

a)

15

b)

30

c)

16

4.

Using to the image, how many neutrons does a P-32 atom have?

a)

15

b)

16

c)

17

5.

Using to the image, how many neutrons does a P-44 atom have?

a)

15

b)

29

c)

16

6.

Using to the image, how many electrons does a Phosphorus (-4) atom have?

a)

15

b)

4

c)

19

7.

As you move left to right on the periodic table, atomic radius:

a)

Increases

b)

Decreases

8.

As you move top to bottom on the periodic table, atomic radius:

a)

Increases

b)

Decreases

9.

As you move left to right on the periodic table, electronegativity:

a)

Increases

b)

Decreases

10.

As you move top to bottom on the periodic table, electronegativity:

a)

Increases

b)

Decreases

11.

Which of the following is Iron (II) chloride?

a)

FeCl

b)

FeCl2

c)

Fe2Cl

d)

Fe2Cl3

12.

Identify the name of the following compound: N2O3

a)

Nitrogen trioxide

b)

Nitrate

c)

Dinitrogen trixide

d)

Dinitrogen trioxide

13.

Identify the name of the following compound: PO5

a)

Phosphorous oxide

b)

Monophosphorous pentoxide

c)

Phosphorous pentoxide

d)

Phosphorous pentaoxide

14.

Identify the name of the following compound: FrCN

a)

Francium Carbon Nitrogen

b)

Francium cyanide

c)

Monofrancium monocyanide

d)

Frankenstein Calls Neighbors

15.

Bromine has two stable isotopes—bromine-79 and bromine-81. The relative abundance of each isotope is 50.70% and 49.30%, respectively. Is the atomic weight of bromine closest to 79, 80, 81, or 92 amu?

a)

79 amu

b)

80 amu

c)

81 amu

d)

92 amu

16.

Calculate the elemental atomic mass of Mg if the naturally occurring isotopes are:

24Mg(23.98504 amu /78.7%),

25Mg(24.98584 amu/10.13%),

26Mg (25.98259 u/11.17%.

a)

26.38 amu

b)

16 amu

c)

27.88 amu

d)

24.31 amu

17.

Which of these is the definition of a mole?

a)

12

b)

44 g

c)

6.02 x 10^23

d)

.08206 L atm/mol K

18.

Which of these is the electron configuration for Li?

a)

1s2

b)

2s1

c)

1s2 2s1

d)

1s1 1s2 2s1 2s2

19.

Which of these is the electron configuration for Li+?

a)

1s1

b)

1s2

c)

1s2 2s1

d)

1s2 2s2

20.

Which of these is the molar mass of oxygen?

a)

12.99 g

b)

16 amu

c)

16 g

d)

44 amu

21.

Which of these is the average atomic mass of oxygen?

a)

12 g

b)

16 amu

c)

16 g

d)

44 amu

22.

Which of these is Hydrofluoric acid?

a)

HFO3

b)

HFO4

c)

HF

d)

HOH

23.

Which of these is hypochlorous acid?

a)

HCl

b)

HClO4

c)

HClO

d)

HClO2

24.

Which of these is Permanganic Acid?

a)

HP

b)

HMnO4

c)

HPM

d)

H2MnO4

25.

Which of these the name of the following acid: H2SO4

a)

Hydrosulfuric acid

b)

Sulfuric acid

c)

Sulfurous acid

d)

Sulfous acid

26.

Which of these the name of the following acid: HCl

a)

Hydrochloric acid

b)

Chloric acid

c)

Chlorous acid

27.

Which of these is Magnesium hydroxide?

a)

MgH

b)

MgOH

c)

Mg(OH)2

d)

MgH2

28.

Solve this problem:


(3.0 x 1022) x (2.0 x 103)

a)

6.0 x 1025

b)

6.0 x 1066

c)

5.0 x 1019

d)

5.0 x 1025

29.

Solve this problem:


8.0 x 1012

2.0 x 109

a)

16.0 x 1021

b)

4.0 x 103

c)

1.6 x 1022

d)

5.0 x 104

30.

Solve this problem:


(2.0 x 103) + (3.6 x 104)

a)

6.2 x 107

b)

4.0 x 103

c)

1.6 x 102

d)

3.8 x 104

31.

Solve this problem:


(7.0 x 105) - (5.2 x 104)

a)

6.48 x 105

b)

1.8 x 103

c)

1.6 x 102

d)

3.8 x 104

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