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Matter

Total questions: 95

Worksheet time: 48mins

Name
Class
Date
1.

Matter that has a definite volume and a definite shape is a _____________.

a)

solid

b)

liquid

c)

gas

d)

plasma

2.

The amount of energy needed to change a material from a liquid to a gas is the heat of _________________

a)

evaporation

b)

fusion

c)

vaporization

d)

condensation

3.

When two or more substances are physically combined, the result is a(n) ________________.

a)

chemical change

b)

element

c)

compound

d)

mixture

4.

The air that you breathe is an example of a(n) ____________ solution.

a)

solid

b)

liquid

c)

gaseous

d)

plasma

5.

As a sample of matter is heated, its particles _______________.

a)

are unaffected

b)

move more quickly

c)

move more slowly

d)

stop moving

6.

The most common state of matter in the universe is ________________.

a)

solid

b)

liquid

c)

gas

d)

plasma

7.

The color of ink is a ________________.

a)

physical change

b)

physical property

c)

chemical change

d)

chemical property

8.

Three examples of physical changes are

a)

sawing wood, crushing a can, and burning a marshmallow

b)

burning of gasoline, rotting an egg, and exploding fireworks

c)

freezing of water, evaporation of gasoline, and rusting of a nail

d)

boiling of water, blowing up a balloon, and melting a candle

9.

Which of the following is evidence that a physical change has occurred?

a)

Broken glass

b)

Rust

c)

Bubbles

d)

Formation of a solid precipitate

10.

Which of the following is not a physical property?

a)

Color

b)

Odor

c)

State

d)

Reactivity with oxygen

11.

Matter in which the particles are free to move in all directions until they have spread evenly throughout their container is a ________________.

a)

solid

b)

liquid

c)

gas

d)

plasma

12.

______________ is another name for a homogeneous mixture.

a)

Liquid

b)

Substance

c)

Suspension

d)

Solution

13.

The amount of energy needed to change a material from the solid state to the liquid state is the heat of ___

a)

condensation

b)

vaporization

c)

fusion

d)

evaporation

14.

CaCO₃ is an example of which type of matter?

a)

Element

b)

Compound

c)

Homogeneous mixture

d)

Heterogeneous mixture

15.

In which phase of matter are the molecules of the substance farthest apart from each other?

a)

solid

b)

liquid

c)

gas

d)

crystal

16.

A flask containing molecules of gas A and a separate flask containing molecules of gas B are both at the same temperature. Gases A and B must have equal

a)

volumes

b)

masses

c)

pressures

d)

average kinetic energies

17.

Hydrogen, gold, and iron are all examples of

a)

homogeneous mixtures

b)

heterogeneous mixtures

c)

elements

d)

compounds

18.

A type of matter formed by chemically joining two or more elements is known as a

a)

compound

b)

solution

c)

colloid

d)

suspension

19.

Which term best describes when particles escape from the surface of a liquid and become gaseous?

a)

sublimation

b)

evaporation

c)

vaporization

d)

deposition

20.

Milk, paint, and mayonnaise are all examples of

a)

Homogeneous mixtures

b)

Heterogeneous mixtures

c)

Compounds

d)

Elements

21.

The particles in a liquid are usually

a)

closer together and lower energy than in a solid.

b)

farther apart and lower in energy than in a solid.

c)

farther apart and higher in energy than in a gas.

d)

closer together and lower in energy than in a gas.

22.

Using the data table to the right, determine the identity of a cube of metal that measures 1.2 cm on each side and has a mass of 18.15 grams.

a)

Gold

b)

Silver

c)

Nickel

d)

Zinc

23.

Mrs. James blends lemons, sugar, and water in a pitcher. She has made a ________.

a)

compound

b)

substance

c)

homogeneous mixture

d)

heterogeneous mixture

24.

The Law of Conservation of Mass states

a)

Mass never stays constant.

b)

Mass is always added during a chemical change.

c)

Mass is always lost during a chemical change.

d)

Mass is not lost or created during a chemical change.

25.

Which of the following liquids would be the most viscous?

a)

syrup

b)

water

c)

lemonade

d)

soda

26.

Atoms of elements in the same group of the periodic table share the same

a)

number of energy levels

b)

number of valence electrons

c)

atomic numbers

d)

atomic masses

27.

What is an atom’s nucleus made of?

a)

protons and electrons

b)

protons only

c)

protons and neutrons

d)

neutrons only

28.

How many electrons will a neutral atom of carbon have if its nucleus has 6 protons and 8 neutrons?

a)

2

b)

6

c)

8

d)

14

29.

An element with 5 protons, 6 neutrons, and 8 electrons has an atomic number of

a)

5

b)

6

c)

8

d)

11

30.

An element with 5 protons, 6 neutrons, and 8 electrons has a mass number of

a)

5

b)

6

c)

8

d)

11

31.

The farther an electron is from the nucleus, the more __________ it has.

a)

charge

b)

energy

c)

mass

d)

size

32.

Atoms of the same element that have different numbers of neutrons are called

a)

molecules

b)

ions

c)

protons

d)

isotopes

33.

The total number of electrons in the outer shell of a sodium atom is

a)

1

b)

2

c)

8

d)

18

34.

Which particles determine the atomic number of an element?

a)

Protons only

b)

Neutrons only

c)

Neutrons and protons

d)

Protons and electrons

35.

The total number of neutrons in the nucleus of any atom is equal to the

a)

mass number of the atom

b)

atomic number of the atom

c)

atomic number minus the mass number

d)

mass number minus the atomic number

36.

Two different isotopes of an element have different _________.

a)

numbers of neutrons

b)

numbers of protons

c)

atomic numbers

d)

nothing is different about them

37.

Two different isotopes of an element have the same _________.

a)

numbers of neutrons

b)

numbers of protons

c)

mass numbers

d)

nothing is the same about them

38.

The maximum number of electrons that can occupy the 2nd shell of an atom of magnesium is

a)

1

b)

2

c)

8

d)

18

39.

The mass of the most common isotope of an element is known based on an element’s ________

a)

Mass number

b)

Average atomic mass

c)

Atomic number

d)

Number of electrons

40.

What is the correct electron arrangement for sulfur? (Hint: think about electron shells/energy levels!)

a)

2-8-6

b)

2-8-8

c)

4-6-2

d)

2-8-4

41.

Which of the following is a transition metal?

a)

Calcium

b)

Nickel

c)

Aluminum

d)

Tellurium

42.

An atom is neutral because

a)

neutrons balance the protons and electrons

b)

nuclear forces stabilize the charges

c)

the numbers of protons and electrons are equal

d)

the numbers of protons and neutrons are equal

43.

An unstable nucleus results from too many or too few ____________

a)

neutrons

b)

protons

c)

electrons

d)

radons

44.

Which part of the periodic table indicates the number of energy levels in the electron cloud?

a)

Periods (rows)

b)

Groups (columns)

c)

Atomic number

d)

Element symbol

45.

What is the correct symbol for an isotope of carbon with 6 protons and 6 neutrons?

a)

¹²C

b)

12C

c)

⁶C

d)

6C6

46.

Which statement about the arrangement of the periodic table is not true?

a)

Noble gases are in the group farthest to the right

b)

Metals are found on the left side of the periodic table

c)

Rare earth elements are in the first column on the left

d)

Transition metals are in the center of the periodic table

47.

Boron, carbon, nitrogen and oxygen are all members of the same _____________.

a)

Period

b)

Group

c)

Block

d)

Family

48.

Which of the following elements would be the best conductor of electricity?

a)

Iodine

b)

Silicon

c)

Silver

d)

Argon

49.

Which of the following elements would be the most reactive?

a)

Iodine

b)

Silicon

c)

Silver

d)

Argon

50.

Which of the following elements would be the least reactive?

a)

Iodine

b)

Silicon

c)

Silver

d)

Argon

51.

At room temperature, most metals are _____________?

a)

A. Solids

b)

B. Liquids

c)

C. Gases

d)

D. Plasmas

52.

Hydrogen is in group 1 with lithium, sodium, potassium, rubidium, cesium, and francium because it ____________.

a)

C. Has 1 valence electron

b)

A. Is a metal

c)

B. Has 2 valence electrons

d)

D. Is a noble gas

53.

The chemical bond formed when two atoms share electrons is called a(n)

a)

Covalent bond

b)

Ionic bond

c)

Metallic bond

d)

Electron bond

54.

Which pair of atoms will combine with each other and form an ionic bond?

a)

C and O

b)

C and H

c)

Ca and Mg

d)

Ca and Br

55.

Which element is most likely to gain electrons in a chemical reaction?

a)

Kr

b)

K

c)

Br

d)

Ca

56.

What is the oxidation number of oxygen in most compounds?

a)

6

b)

-2

c)

8

d)

0

57.

Which formula represents a substance that contains covalent bonds?

a)

LiCl

b)

CaCl₂

c)

K₂O

d)

CO₂

58.

A regular, repeating arrangement of atoms, ions, or molecules is _____________.

a)

B. A crystal

b)

A. An alloy

c)

C. A solution

d)

D. A polymer

59.

How does an atom of aluminum become an ion?

a)

It gains 3 electrons

b)

It gains 3 protons

c)

It loses 3 electrons

d)

It loses 3 neutrons

60.

How many electrons are shared within a single bond?

a)

2

b)

1

c)

4

d)

6

61.

Which atoms are most likely to form covalent bonds?

a)

metal atoms that share electrons

b)

metal atoms that share protons

c)

nonmetal atoms that share electrons

d)

nonmetal atoms that share protons

62.

The electrons that are lost, gained, or shared in chemical bonds are called _____________.

a)

A. valence electrons

b)

B. core electrons

c)

C. isotopic electrons

d)

D. conduction electrons

63.

Which of the following is NOT an example of covalent bonding?

a)

H2O

b)

NaF

c)

NH3

d)

O2

64.

Which process is taking place in the diagram below?

a)

Electron transfer

b)

Electron sharing

c)

Electron gain

d)

Electron loss

65.

How many electrons are needed in the outer energy levels of most atoms for the atom to be chemically stable?

a)

2

b)

4

c)

6

d)

8

66.

14. The properties of a compound are __________ the properties of the elements that form it.

a)

B. Different from

b)

A. The same as

c)

C. More similar to

d)

D. Identical to

67.

Which of the following is an example of a molecule?

a)

H2O

b)

NaF

c)

Mg3N2

d)

all of the above are molecules

68.

How many electrons are being shared in a triple bond?

a)

3

b)

6

c)

8

d)

12

69.

Which of the following is the reason why atoms of sodium and chlorine attract each other in a salt crystal?

a)

Sodium has a negative charge and chlorine has a positive charge

b)

Sodium has a positive charge and chlorine has a positive charge

c)

Sodium has a positive charge and chlorine has a negative charge

d)

Both have a negative charge

e)

Both have a positive charge

70.

Which of the following is the correct name for a compound between Magnesium and Sulfur?

a)

Magnesium sulfur

b)

Magnesium sulfide

c)

Magnesium (II) sulfide

d)

Dimagnesium disulfide

71.

Which of the following is the correct name for a compound between Phosphorous and Chlorine?

a)

Phosphorous chlorine

b)

Phosphorous chloride

c)

Phosphorous (III) chloride

d)

Phosphorous trichloride

72.

Which of the following is a similarity between ionic and covalent bonds?

a)

Both include the gaining and losing of electrons

b)

Both include the sharing of electrons

c)

Both make the elements more stable

d)

Both are typically found as solids at room temperature.

73.

Each substance to the right of the arrow in a chemical equation is a(n) ___________.

a)

B. Product

b)

A. Reactant

c)

C. Catalyst

d)

D. Solvent

74.

The numbers that go before symbols and formulas in a chemical equation are ___________.

a)

Superscripts

b)

Subscripts

c)

Catalysts

d)

Coefficients

75.

Substances that speed up chemical reactions are called _________.

a)

Inhibitors

b)

Products

c)

Reactants

d)

Catalysts

76.

A(n) ________ chemical equation has the same number of atoms of each element on each side of the equation.

a)

unbalanced

b)

balanced

c)

simple

d)

complex

77.

If something is burned, a __________ reaction has occurred.

a)

double displacement

b)

single displacement

c)

combustion

d)

synthesis

78.

Why does an increase in temperature result in an increase in reaction rate?

a)

It raises the activation energy

b)

It causes the molecules to increase in size

c)

It decreases the concentration of reactants

d)

It causes an increase in the number of particle collisions

79.

If energy must be added to a chemical reaction for the reaction to take place, the reaction is ____________.

a)

exergonic

b)

endergonic

c)

exothermic

d)

endothermic

80.

In a chemical equation, the symbol that means dissolved in water is _____

a)

(s)

b)

(l)

c)

(g)

d)

(aq)

81.

What type of reaction is the following chemical reaction? CH3CH2OH + 3O2 → 2CO2 + 3H2O

a)

double-displacement

b)

single-displacement

c)

combustion

d)

synthesis

82.

Which chemical reaction represents a double displacement reaction?

a)

2Na + Cl2 → 2NaCl

b)

2KClO3 → 2KCl + 3O2

c)

Zn + 2HCl → ZnCl2 + H2

d)

NaOH + HCl → NaCl + H2O

83.

A teacher wants to demonstrate a chemical reaction for her students. Which activity below would best demonstrate a chemical reaction?

a)

Placing metal in an acid to create gas

b)

Measuring the densities of water and ice

c)

Melting a solid piece of aluminum

d)

Filling a balloon with helium gas

84.

When a wood fire burns, it releases heat into the environment. This type of reaction is ________.

a)

endothermic

b)

exothermic

c)

endergonic

d)

exergonic

85.

The Law of Conservation of Mass states

a)

Mass never stays constant

b)

Mass is always added during a chemical change

c)

Mass is always lost during a chemical change

d)

Mass is not lost or created during a chemical change

86.

Which of the following observations does NOT indicate that a chemical reaction has occurred?

a)

formation of a precipitate

b)

production of a gas

c)

state of matter change

d)

heat and light released

87.

Which of the following is a correctly balanced chemical equation?

a)

Cl2 + 2NaI → 2NaCl + I2

b)

Cl2 + NaI → NaCl + 2I2

c)

Cl2 + NaI → NaCl + I2

d)

2Cl2 + NaI → 2NaCl + I2

88.

Which situation provides the best evidence that a chemical reaction is taking place?

a)

A metal strip bends when heated

b)

A solution freezes in the freezer

c)

Two solutions mixed in a beaker produce a solid

d)

A chemical is dissolved in water

89.

A substance that is an ingredient in a chemical reaction is called a(n) ____________.

a)

Catalyst

b)

Product

c)

Reactant

d)

Inhibitor

90.

In a reaction in which hydrogen reacts with oxygen to produce water, which substances are the reactants?

a)

Hydrogen only

b)

Water only

c)

Oxygen only

d)

Both hydrogen and oxygen

91.

Which of the following is NOT an example of a chemical change?

a)

Iron rusting

b)

An apple ripening

c)

Cutting paper

d)

A piece of wood burning

92.

Which of the following equations best represents “magnesium reacting with chlorine to produce magnesium chloride?”

a)

Mg + Cl2 → MgCl2

b)

MgCl2 + Mg → Cl2

c)

MgCl2 + Mg → Cl2

d)

Mg + Cl2 → MgCl2

93.

How many atoms of oxygen are represented in 2Ca(NO3)2?

a)

3

b)

6

c)

10

d)

12

94.

The symbol (s) written after a formula in a chemical equation stands for ____________.

a)

solid

b)

soluble

c)

solution

d)

synthesis

95.

To balance a chemical equation, it may be necessary to adjust the ____________.

a)

coefficients

b)

subscripts

c)

superscripts

d)

formulas of the compounds

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