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Chemistry I Midterm Review

Total questions: 27

Worksheet time: 14mins

Name
Class
Date
1.

___ H2 + ___ O2 → ___ H2O

a)

1, 1, 3

b)

2, 2, 2

c)

1, 2, 1

d)

2, 1, 2

2.

Na2(SO4)

a)

Sodium sulfate

b)

Sodium sulfide

c)

Sodium sulfite

d)

Sodium sulfur oxide

3.

CO

a)

Carbon Oxide

b)

Carbon Oxygen

c)

Dicarbon dioxide

d)

Carbon Monoxide

4.

What are calcium, magnesium, and barium?

a)

Alkali metals

b)

Alkaline Earth metals

c)

Transition metals

d)

Halogens

5.

H2 + Cl2 → HCl

a)

It is balanced.

b)

H2 + Cl2 → 2HCl

c)

3H2 + Cl2 → 6HCl

d)

H2 + 3Cl2 → 6HCl

6.

How many protons, neutrons, and electrons are in lithium-8?

a)

3p+

3n=

3e-

b)

3p+

4n=

3e-

c)

3p+

5n=

3e-

d)

3p+

8n=

3e-

7.

How would you describe the Quantum Mechanical Model?

a)

Electrons orbit the nucleus on set paths.

b)

Electrons exist on orbitals in clouds of probability.

c)

It's the first model to include protons, neutrons and electrons.

d)

Electrons are scattered throughout a positively charged medium.

8.

1s22s22p63s23p3

a)

phosphorus

b)

nitrogen

c)

vanadium

d)

scandium

9.

Disulfur trioxide

a)

S3O2

b)

SO

c)

S2O3

d)

S2O

10.

Copper(I) Sulfate

a)

CuS

b)

Cu2S

c)

Cu2(SO3)

d)

Cu2(SO4)

11.

What's the mass of an atom with 10p+, 12n=, and 11e-?

a)

20

b)

22

c)

21

d)

33

12.

Select the options that describe the number of electrons that the 3rd energy level of an atom can hold.

a)

2

b)

6

c)

8

d)

10

e)

18

13.

P3F4

a)

Phosphorous fluoride

b)

Triphosphorous tetrafluoride

c)

Phosphate Fluoride

d)

Trifluoride hexafluoride

14.

The atomic number gives the amount of __________ an atom has.

a)

protons

b)

neutrons

c)

electrons

d)

isotopes

15.

10p+

12n=

11e-

What's the charge of the atom?

a)

2+

b)

1+

c)

1-

d)

2-

16.

What type of element(s) are involved in an ionic compound?

a)

metal

b)

nonmetal

c)

metalloid

d)

all of the above

17.

What is the charge of chlorine-35?

17p+

18n=

17e-

a)

7+

b)

1+

c)

0

d)

1-

18.

3Ca + 2AlCl3 → 3CaCl2 + 2Al

a)

Synthesis

b)

Decomposition

c)

Single displacement

d)

Double displacement

19.

PbCl2 + AgNO3 → Pb(NO3)2 + AgCl

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

20.

Lithium, boron, and fluorine are all...

a)

in group 2

b)

in group 2A

c)

in period 2

d)

Alkaline earth metals

21.

___Zn + ___HCl → ___ZnCl2 + ___H2

a)

1, 1, 2, 1

b)

1, 1, 1, 2

c)

1, 2, 1, 1

d)

2, 1, 1, 1

22.

Sodium Oxide

a)

NaO

b)

NaO2

c)

Na2O

d)

Na2O2

23.

Which part(s) of the atom make up its mass?

a)

protons

b)

neutrons

c)

electrons

d)

isotopes

24.

Al(OH)3 → Al2O3 + H2O

a)

Decomposition

b)

Combustion

c)

Synthesis

d)

Single Replacement

25.

FeCl₂

a)

iron chloride

b)

iron (II) chloride

c)

iron (I) chloride

d)

iron dichloride

26.

___NaF + ___Br2 → ___NaBr + ___F2

a)

3, 1, 2, 1

b)

1, 2, 3, 4

c)

2, 1, 2, 1

d)

1, 2, 1, 2

27.

Phosphorous trichloride

a)

PCl3

b)

P3Cl

c)

P3Cl3

d)

PCL

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