Free Printable Chem: Unit 4 Test REVIEW

1.

What "rule" do atoms follow when they bond with other atoms?

a)

octet rule

b)

rule of 8

c)

octagon rule

d)

noble gas rule

2.

Match the following

a)

gain electrons

1.

anions

b)

lose electrons

2.

cations

c)

cations are

3.

positively charged

d)

anions are

4.

negatively charged

e)

atoms are

5.

neutral

3.

Determine whether these atoms will gain or lose electrons to become stable:

Categorize the following

Si

N

S

Cl

Na

Be

Ga

Sn

He

Ar

GAIN

LOSE

NEITHER

4.

Which of the following elements would form a cation? Choose all that apply.

a)

lithium (Li)

b)

Iron (Fe)

c)

Carbon (C)

d)

Hydrogen (H)

e)

Silver (Ag)

5.

Nonmetals (a) valence electrons to become (b) charged (c) . They have (d) protons than electrons.

Choose from the below words

lose

positively

cations

more

gain

negatively

anions

less

6.

K⁺¹ has (a) protons and (b) electrons.

C^4- has (c) protons and (d) electrons

Sr²⁺ has 38 protons and (e) electrons.

Choose from the below words

19

6

18

10

36

20

2

40

12

39

7.

Match the following element to their number of valence electrons:

a)

lithium

1.

1

b)

magnesium

2.

2

c)

phosphorus

3.

5

d)

fluorine

4.

7

e)

neon

5.

8

8.

Organize these options into the right categories

Categorize the following

NaCl

MgF₂

Al₂O₃

P₂O₅

CO₂

H₂O

Ionic Compounds

NOT Ionic Compounds

9.

Label the metals and the nonmetals

a)

metals

b)

nonmetals

1

2

1)

2)

10.

Which of these combinations is an ionic compound made of?

a)

Metal and Metal

b)

Nonmetal and Nonmetal

c)

Metal and Nonmetal

d)

Cation and Cation

11.

Which of the following is the correct Lewis dot between K and O?

a)

b)

c)

d)

12.

Which of these is the correct Lewis Dot Structure for aluminum oxide?

a)

b)

c)

d)

13.

Match the combination of elements to the correct Lewis Dot Diagrams that would represent them:

a)

A & G

1.

potassium & fluorine

b)

B & E

2.

magnesium & nitrogen

c)

C & G

3.

aluminum & chlorine

d)

A & F

4.

lithium & oxygen

e)

B & F

5.

calcium & sulfur

14.

Name for NiO (a)
Name for NiO₂ (b)
Name for Ni₂O₅ (c)
Name for Ni₂O₃ (d)
Name for Ni₂O (e)

Choose from the below words

nickel (II) oxide

nickel (IV) oxide

nickel (V) oxide

nickel (III) oxide

nickel (I) oxide

nickel oxide

nickel (VI) oxide

nickel (VII) oxide

nickel (VIII) oxide

nickel (X) oxide

15.

Formula for iron (I) nitride (a)
Formula for iron (II) nitride (b)
Formula for iron (III) nitride (c)
Formula for iron (IV) nitride (d)
Formula for iron (V) nitride (e)

Choose from the below words

Fe3N

Fe3N2

FeN

Fe3N4

Fe3N5

FeN5

FeN4

Fe2N3

Fe4N3

Fe5N3

16.

CHOOSE ALL THAT APPLY!

Which compounds below would require Roman Numerals in the name?

a)

NaCl

b)

Ag₃N

c)

Pb₂S₃

d)

SbP

e)

AlF₃

17.

What is the name for CrO?

a)

chromium oxide

b)

chromium (II) oxide

c)

chromium (I) oxide

d)

chromium (III) oxide

18.

Roman Numeral for 1 = (a)
Roman Numeral for 2 = (b)
Roman Numeral for 3 = (c)
Roman Numeral for 4 = (d)
Roman Numeral for 5 = (e)

Choose from the below words

I

II

III

IV

V

VI

VII

VIII

IX

X

19.

When lithium and phosphorus form a compound, lithium will (a) electron(s) and phosphorus will (b) electron(s). You will need (c) lithium atom(s) to balance out the (d) phosphorus atom(s). The final formula will be (e) .

Choose from the below words

lose 1

gain 3

3

1

Li3P

lose 3

gain 1

2

4

LiP3

20.

Match the charge of copper to the correct formula:

a)

+2

1.

The charge of copper in CuS

b)

+3

2.

The charge of copper in Cu₂S₃

c)

+1

3.

The charge of copper in Cu₂S

d)

+4

4.

The charge of copper in CuS₂

e)

+5

5.

The charge of copper in Cu₂S₅

Chem: Unit 4 Test REVIEW

Total questions: 20

Worksheet time: 41mins

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