Free Printable Semester 1 Final Review R

1.

An aluminum isotope consists of 13 protons, 13 electrons, and 14 neutrons. Its mass number is

(a)

2.

The number in the upper corner of an element tile (7 for nitrogen) is called _____

a)

the neutron number

b)

the atomic number

c)

the electron number

d)

the mass number

3.

For an atom to be electrically neutral, it must contain the same number of _____

a)

protons and neutrons

b)

neutrons and electrons

c)

protons and electrons

d)

nucleons and electrons

4.

Different versions of an element, with different numbers of neutrons, and therefore different masses, are called _____

a)

isosceles

b)

isomers

c)

isotopes

d)

isicless

5.

Adding the number of protons and neutrons will give the _____

a)

proton number

b)

mass number

c)

nucleon number

d)

average weight

6.

How many neutrons does an atom of the isotope Neon-22 have?

(a)

7.

Atoms that carry an electric charge because they gain or lose electrons are called...

a)

negative charges.

b)

positive charges.

c)

ions.

d)

isotopes.

8.

What is the mass number of an atom of gold with 117 neutrons?

(a)

9.

How many electrons does a neutral atom of Silicon have?

(a)

10.

How many electrons does a K⁺ ion have?

(a)

11.

Organize these options into the right categories

Categorize the following

neutral charge

protons = electrons

positive charge balances out negative charge

overall positive or negative charge

protons ≠ electrons

positive charge does not balance out the negative charge

uneven # of protons and electrons

have a charge

do not have a charge

even number of protons and electrons

Atom

Ion

12.

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

13.

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

Categorize the following

Si

N

S

Cl

Na

Be

Ga

He

Ar

GAIN

LOSE

None

Both (can gain or lose)

14.

Match the following elements to the charge it will have when it becomes charged:

a)

Li

1.

+1

b)

Sr

2.

+2

c)

Ga

3.

+3

d)

C

4.

+/-4

e)

S

5.

-2

15.

Match the following elements to the charge it will have when it becomes charged:

a)

As

1.

-3

b)

O

2.

-2

c)

Br

3.

-1

d)

Kr

4.

0

e)

B

5.

+3

16.

The halogens have this many valence electrons

(a)

17.

Electrons on the outermost shell that are involved in bonding and reactions are known as:

a)

Ground state electrons

b)

Electromagnetic electrons

c)

Valence electrons

18.

USE THE PERIODIC TABLE

Find the element that has 3 Valence Electrons and 2 energy levels.

Type the symbol for the element (not the name)

(a)

19.

USE THE PERIODIC TABLE

Find the element that has 5 Valence Electrons and 4 energy levels.

Type the symbol for the element (not the name).

(a)

20.

This could be the dot diagram of

a)

Mg

b)

Cl

c)

C

d)

O

21.

Match the terms to the correct example

a)

Ca ⁺²

1.

Cation

b)

H^-

2.

Anion

c)

Ge

3.

Neutral atom

22.

Label the parts of the standard notation for this atom

a)

Mass number

b)

Atomic number

c)

Symbol

d)

Charge

1

2

3

4

1)

2)

3)

4)

23.

How many Oxygen atoms are in H₂O?

(a)

24.

How many atoms are there TOTAL in H₂SO₄?

(a)

25.

How many O's are in Al₂(SO₄)₃

(a)

26.

How many S's are in Al₂(SO₄)₃

(a)

27.

3(NH₄)₂CrO₄

Number of N: (a)

Number of H: (b)

Number of Cr: (c)

Number of O: (d)

Choose from the below words

6

24

3

12

4

8

1

2

9

28.

How many Hydrogen are in 4H₂O?

(a)

29.

4CF₂Cl₃

a)

carbon

1.

4

b)

fluorine

2.

8

c)

chlorine

3.

12

30.

How many CARBONs are in this formula?

(a)

31.

How many CARBON are in this formula?

(a)

32.

Balance this equation

(a) Zn+ (b) HCl--> (c) ZnCl₂+ (d) H₂

Choose from the below words

1

2

3

4

5

6

7

8

9

10

33.

Balance this equation:

(a) P₄+ (b) O₂--> (c) P₂O₃

Choose from the below words

1

3

2

4

5

6

7

8

9

10

34.

Balance the equation

(a) Ca + (b) NaNO₃ --> (c) Ca(NO₃)₂ + (d) Na

Choose from the below words

1

2

3

4

5

6

35.

Balance the equation

(a) Ca + (b) Al₂(SO₄)₃ --> (c) CaSO₄ + (d) Al

Choose from the below words

3

1

2

4

5

6

36.

Balance the equation

(a) Mg + (b) AgNO₃ --> (c) Mg(NO₃)₂ + (d) Ag

Choose from the below words

1

2

4

5

6

37.

Balance the equation

(a) C₃H₈ + (b) O₂ --> (c) CO₂ + (d) H₂O

Choose from the below words

1

5

3

4

7

2

6

8

38.

Balance the equation

(a) C₆H₁₂ + (b) O₂ --> (c) CO₂ + (d) H₂O

Choose from the below words

1

9

6

7

2

8

3

4

5

39.

Balance the equation for photosynthesis

(a) CO₂ + (b) H₂O --> (c) O₂ + (d) C₆H₁₂O₆

Choose from the below words

6

1

7

2

8

3

4

5

40.

(a) Ni₂(CO₃)₃ + (b) Cd --> (c) CdCO₃ + (d) Ni

Balance the Equation

Choose from the below words

1

3

2

4

5

6

41.

(a) Mg(NO₃)₂ + (b) H₃PO₄ --> (c) Mg₃(PO₄)₂ + (d) HNO₃

Balance the equation

Choose from the below words

3

2

1

6

4

5

8

42.

(a) K + (b) Cl₂ --> (c) KCl

Balance the equation

Choose from the below words

1

2

3

4

5

43.

Balance the equation

(a) KBr + (b) F₂ --> (c) KF + (d) Br₂

Choose from the below words

2

1

3

4

5

44.

Balance the following reaction:

(a) NaI + (b) Pb(SO₄)₂ → (c) PbI₄ + (d) Na₂SO₄

Choose from the below words

4

1

2

3

45.

Balance the following reaction:

(a) C + (b) H₂ → (c) C₃H₈

Choose from the below words

3

4

1

2

5

46.

If an element is diatomic it should have a subscript of___

a)

2, always

b)

2, only when it is by itself

c)

it shouldn't have a subscript, it should have a coefficent

47.

What are the products of the reaction: MgO ->?

a)

Mg₊O₂

b)

Mg₊O

c)

2MgO

d)

CO₂ + H₂O

48.

What are the products of this reaction:

C₂H₄ + O₂ -->

a)

C₂O₂ + H₄

b)

CO₂ + H₂+ O₂

c)

CO + H

d)

CO₂ + H₂O

e)

No Reaction

49.

What are the products for octane (C₈H₁₈) combusting?

a)

CO₂ + H₂O

b)

C + H₂ + O₂

c)

C + H + O

d)

C₈ + H₁₈

50.

Predict the products for the reaction of Aluminum and Oxygen

(a)

Choose from the below words

Al2O3

AlO2

AlO

Al3O2

AlO3

51.

Write the formula for the compound formed between sodium and fluorine

(a)

52.

What is the formula for calcium phosphide?

(a)

53.

The chemical formula of iron (III) bromide is

(a)

54.

What is the formula for diphosphorus pentoxide?

(a)

55.

What is the correct formula for dinitrogen tetroxide?

(a)

56.

What is the correct formula for phosphorous trichloride?

(a)

57.

What is the correct formula for dichlorine monoxide?

(a)

58.

What is the formula for the compound Fe⁺³combines with S^-2to form?

(a)

59.

What is the formula for calcium oxide?

(a)

60.

What is the correct formula for lithium fluoride?

(a)

61.

The chemical formula of sodium sulfate is

(a)

62.

The proper formula for magnesium hydroxide:

(a)

63.

What is the formula for copper(I) sulfate?

(a)

64.

Match the following

a)

Covalent Bond

1.

Formed between two nonmetals

b)

Ionic Bond

2.

Formed between metal and nonmetal

c)

Lone Pair

3.

2 electrons not shared by atoms in a covalent compound

d)

Line

4.

How 2 bonding electrons are shown in a dot diagram

e)

Dots

5.

How lone pair electrons are shown in a dot diagram

65.

Which is the only nonmetal with 4 bonding places?

a)

Oxygen

b)

Carbon

c)

Nitrogen

d)

Hydrogen

66.

What shape will this molecule be? Use the chart in your notebook and type the name carefully!

(a)

67.

What shape will this molecule be?

a)

linear

b)

bent

c)

tetrahedral

d)

trigonal pyramidal

68.

What shape will this molecule be? Use the chart in your notebook and type the name carefully!

(a)

69.

What shape will this molecule be? Use the chart in your notebook and type the name carefully!

(a)

70.

What type of reaction is the following:
$BaCl_2+2KI\ ->\ 2KCl\ +\ BaI_2$

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

71.

What type of reaction is the following:
$C_{11}H_{24}+17O_2->\ 11CO_2\ +\ 12H_2O$

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

72.

What type of reaction is the following:
$2KI\ ->\ 2K\ +\ I_2$

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

73.

What type of reaction is the following:
$Zn\ +\ 2HCl\ ->\ ZnCl_2+H_2$

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

74.

What type of reaction is the following:
$3CuS\ +2Al\ ->\ Al_2S_3+3Cu$

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

75.

What type of reaction is the following:
$2C_4H_{10}\ +13O_2\ ->\ 8CO_2+10H_2O$

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

76.

What type of reaction is the following:
$Na_2S\ +2HCl\ ->\ H_2S+2NaCl$

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

77.

Match the following reactions to the correct description

a)

1.

single replacement

b)

2.

combustion

c)

3.

double replacement

d)

4.

synthesis

e)

5.

decomposition

78.

Match the following reactions to the particle level models

a)

1.

single replacement

b)

2.

combustion

c)

3.

synthesis

d)

4.

double displacement

e)

5.

decomposition

79.

Which of the following best describes a precipitate?

a)

solid powder that falls out of solution when a solid and liquid reactant combine

b)

solid powder that falls out of solution when two aqueous reactants combine

c)

solid powder that falls out of solution when aqueous and gaseous reactants combine

80.

Which of the following best describes a precipitate?

a)

an insoluble solid

b)

a soluble solid

c)

a soluble gas

d)

an insoluble liquid

81.

Which type of reaction can be a precipitate reaction?

a)

synthesis reaction

b)

single replacement reaction

c)

double replacement reaction

d)

combustion reaction

82.

CaCl₂(aq) + 2 AgNO₃(aq) → Ca(NO₃)₂(aq) + 2 AgCl(s)

Give 2 clues that the reaction above is called a precipitate reaction

a)

It's a double replacement reaction that forms one aqueous and one solid product

b)

It's a single replacement reaction that forms one aqueous and one solid product

c)

It's a double replacement reaction that forms two aqueous products

d)

It's a single replacement reaction that forms two aqueous products

83.

CaCl₂(aq) + 2 AgNO₃(aq) → Ca(NO₃)₂(aq) + 2 AgCl(s)

Which product above is the precipitate?

a)

CaCl₂(aq)

b)

AgNO₃(aq)

c)

Ca(NO₃)₂(aq)

d)

AgCl(s)

84.

In this equation,
CuCl₂ + NaOH → Cu(OH)₂ + NaCl
Which product is insoluble?

a)

copper(II) hydroxide

b)

sodium chloride

c)

sodium hydroxide

d)

copper(II) chloride

85.

Which is the name of the kind of solid substance formed in this figure?

a)

aqueous

b)

precipitate

c)

acid

d)

synthesis

86.

Which of the following elements is a noble gas?

a)

Hydrogen

b)

Oxygen

c)

Helium

d)

Nitrogen

87.

Match the following

a)

P₂S

1.

Dipotassium Monosulfide

b)

K₂S

2.

Potassium Sulfide

c)

K₂SO₄

3.

Potassium Sulfide

d)

Po₂S

4.

Polonium (I) Sulfide

e)

Po₂SO₄

5.

Polonium (I) Sulfate

88.

Match the following

a)

CaS

1.

calcium sulfide

b)

CaSO₄

2.

calcium sulfate

c)

CoS

3.

Cobalt(II) sulfide

d)

Co(SO₄)₃

4.

Cobalt(VI) sulfate

e)

none

5.

Cobalt(III) sulfate

89.

Imaginary element M forms a compound MCl₂ with Chlorine. What will its formula be with Oxygen?

(a)

90.

Element M forms the compound M₂O with Oxygen. What will the formula be for the compound it forms with chlorine?

(a)

91.

Element X forms the compound MgX₂ with Magnesium. What will be the formula for the compound it forms with Aluminum?

(a)

92.

Element X forms the compound Na₃X with Sodium. What will be the formula for the compound it forms with Aluminum?

(a)

93.

Match the name and formula for the ionic compounds

a)

Manganese (I) Oxide

1.

Mn₂O

b)

Manganese (II) Oxide

2.

MnO

c)

Manganese (IV) Oxide

3.

MnO₂

d)

Manganese (VII) Oxide

4.

Mn₂O₇

94.

Match the formula to the name of the ionic compound

a)

Manganese (I) Chloride

1.

MnCl

b)

Manganese (II) Chloride

2.

MnCl₂

c)

Manganese (IV) Chloride

3.

MnCl₄

d)

Manganese (VII) Chloride

4.

MnCl₇

95.

Match the following

a)

Covalent Bond

1.

Formed between two nonmetals

b)

Ionic Bond

2.

Formed between metal and nonmetal

c)

Lone Pair

3.

2 electrons not shared by atoms in a covalent compound

d)

Line

4.

How 2 bonding electrons are shown in a dot diagram

e)

Dots

5.

How lone pair electrons are shown in a dot diagram

96.

Match the generic Lewis Valence Electron Dot Structure with the elements that would have the same Lewis structure.

a)

1.

Na

b)

2.

Mg

c)

3.

Al

d)

4.

C

e)

5.

N

97.

Match the bonding vocabulary to the definition

a)

Ionic

1.

Bond formed between metal and nonmetal

b)

Covalent

2.

Bond formed between two nonmetals

c)

Cation

3.

Positive Ion

d)

Anion

4.

Negative Ion

e)

Diatomic

5.

Elements that are made of TWO atoms

98.

Match the following scenarios with their resulting charges.

a)

-1

1.

An atom gains one electron.

b)

-2

2.

An atom gains two electrons.

c)

+1

3.

An atom loses one electron.

d)

+2

4.

An atom loses two electrons.

99.

When naming a binary compound (formed between two elements), always change the ending of the second element to ________.

a)

-ate.

b)

-ite.

c)

-ide.

d)

-ine.

100.

What type of bond is formed when elements SHARE electrons?

(a)

101.

What number of valence electrons is the most stable for an element in a compound (except Hydrogen)?

(a)

102.

How many Hydrogen atoms in 3(NH₄)₂CrO₄?

(a)

103.

How many O's are in Al₂(SO₄)₃

(a)

104.

Match the following covalent compounds with their formulas.

a)

PO

1.

Phosphorus monoxide

b)

P₃O₂

2.

Triphosphorus dioxide

c)

PO₂

3.

Phosphorus dioxide

d)

P₂O₃

4.

Diphosphorus trioxide

105.

What is the correct formula for the compound, lithium oxide?

(a)

106.

The formula for sodium oxide is

(a)

107.

What is the formula for calcium carbonate?

(a)

108.

Element X forms the compound Na₃X with Sodium. What will be the formula for the compound it forms with Aluminum?

(a)

Semester 1 Final Review R

Total questions: 108

Worksheet time: 3hrs 45mins

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