Quiz about Chemistry Unit Test Review

Question 1

Matter is anything that has ____________ and _______________.

Accepted Answer

mass, volume

Answer

color, shape

Answer

weight, taste

Answer

energy, light

Question 2

2. ____________ is the amount of matter present.

Accepted Answer

Mass

Answer

Volume

Answer

Density

Answer

Weight

Question 3

3. ____________ is the amount of space an object takes up.

Accepted Answer

Volume

Answer

Mass

Answer

Density

Answer

Weight

Question 4

What state of matter is shown in the image?

Accepted Answer

gas

Answer

solid

Answer

liquid

Answer

plasma

Question 5

What state of matter is shown in the image?

Accepted Answer

liquid

Answer

solid

Answer

gas

Answer

plasma

Question 6

What state of matter is shown in the image?

Accepted Answer

solid

Answer

liquid

Answer

gas

Answer

plasma

Question 7

The transition from gas to solid is ____

Accepted Answer

deposition

Answer

freezing

Answer

condensation

Answer

sublimation

Question 8

The transition from liquid to gas is ____

Accepted Answer

vaporization

Answer

freezing

Answer

condensation

Answer

sublimation

Question 9

Density is the relationship of mass to volume. The equation to calculate density is _________________ .

Accepted Answer

Density = Mass / Volume

Answer

Density = Volume / Mass

Answer

Density = Mass x Volume

Answer

Density = Mass + Volume

Question 10

There are __________ meters in 1 kilometer.

Accepted Answer

1000

Answer

100

Answer

10

Answer

500

Question 11

There are _________ decimeters in 1 meter.

Accepted Answer

10

Answer

100

Answer

1

Answer

0.1

Question 12

There are _________ milligrams in 1 gram.

Accepted Answer

1000

Answer

100

Answer

10

Answer

500

Question 13

In 1 hectometer there are _________ meters.

Accepted Answer

100

Answer

10

Answer

1000

Answer

10000

Question 14

In 1 centigram there are _______ grams.

Accepted Answer

0.01

Answer

0.1

Answer

0.001

Answer

1

Question 15

In 1 decagram there are _______ grams.

Accepted Answer

10

Answer

100

Answer

1

Answer

0.1

Question 16

. ________________ properties are things we can observe or measure just by looking at a material. ________________, ________________ and ________________ are all examples of ________________ properties.

Accepted Answer

Physical; color, shape, texture; physical

Answer

Chemical; mass, volume, density; chemical

Answer

Magnetic; weight, size, flexibility; magnetic

Answer

Thermal; temperature, heat, energy; thermal

Question 17

11a. ________________ is a physical property that describes a material that is able to be hammered into a thin sheet.

Accepted Answer

Malleability

Answer

Solubility

Answer

Conductivity

Answer

Density

Question 18

11b. ________________ is a physical property that describes a material that is able to be stretched into a thin wire.

Accepted Answer

Ductility

Answer

Malleability

Answer

Brittleness

Answer

Conductivity

Question 19

c. ________________ is a physical property that describes a material that allows electricity or heat to travel through it.

Accepted Answer

Conductivity

Answer

Density

Answer

Malleability

Answer

Solubility

Question 20

d. ________________ and ________________ are two physical properties that describe what a substance looks like.

Accepted Answer

Color and shape

Answer

Mass and volume

Answer

Weight and density

Answer

Boiling point and melting point

Question 21

12. ________________ properties describe how a material behaves when it comes in contact with another substance. ________________, ________________ and ________________ are all examples of ________________ properties.

Accepted Answer

chemical, toxicity, flammability, reactivity, chemical

Answer

chemical, conductivity, melting point, boiling point, solidification temperature, chemical

Answer

physical, color, texture, reactivity, chemical

Answer

chemical, corrosiveness, density, volume, matter

Question 22

13. ______________ changes change the identity of a substance. ______________ changes DO NOT change the identity of a substance.

Accepted Answer

Chemical; physical

Answer

physical; chemical

Answer

shape, size

Answer

reactivity, flammability

Question 23

A(n) ___ is the smallest substance that retains the properties of a given element.

There are two main regions the ______ and the_____.

Accepted Answer

atom; nucleus, electron cloud

Answer

molecule; electron, proton

Answer

cell; nucleus, cytoplasm

Answer

compound; atom, bond

Question 24

There are three subatomic particles - ____________________, ________________ and ____________________.

Accepted Answer

proton, neutron, electron

Answer

proton, photon, electron

Answer

neutron, positron, electron

Answer

proton, neutron, positron

Question 25

_________ are positively charged particles located in the ________.

Accepted Answer

protons, nucleus

Answer

Neutrons, nucleus

Answer

electrons, nucleus

Answer

electrons, electron cloud

Question 26

17. ____________________ are neutral (do not have a charge) particles located in the ____________________.

Accepted Answer

Neutrons; nucleus

Answer

Protons; cytoplasm

Answer

Electrons; mitochondria

Answer

Ions; cell membrane

Question 27

18. ____________________ are negatively charged particles located in the ________________________________.

Accepted Answer

Electrons; electron cloud

Answer

Protons; nucleus

Answer

Neutrons; electron cloud

Answer

Ions; nucleus

Question 28

The ____________________ force is the weakest force in the atom. The ____________________ is the strongest force in the atom.

Accepted Answer

gravitational; strong nuclear force

Answer

electromagnetic; weak nuclear force

Answer

strong nuclear; gravitational force

Answer

weak nuclear; electromagnetic force

Question 29

The ____________________ is the force responsible for the attraction of positively charged protons to the negatively charged electrons.

Accepted Answer

electromagnetic force

Answer

gravitational force

Answer

strong nuclear force

Answer

weak nuclear force

Question 30

21. Rows on the Periodic Table are known as _________. These elements have the same number of _____________ electrons.

Accepted Answer

periods; core

Answer

groups; core

Answer

columns; valence

Answer

families; orbital

Question 31

Columns on the Periodic Table are known as ________ or __________. These elements share similar ____________ of matter.

Accepted Answer

groups; families; properties

Answer

rows; periods; colors

Answer

blocks; sections; weights

Answer

lines; chains; numbers

Question 32

_____ are charged particles.

_______ are positively charged and _______ are negatively charged.

Accepted Answer

Ions; cations; anions

Answer

Atoms; anions; cations

Answer

Molecules; cations; anions

Answer

Electrons; anions, cations

Question 33

__________ have more protons than electrons and ____________ have more electrons than protons.

Accepted Answer

Cations; anions

Answer

Anions; cations

Answer

Neutrons; protons

Answer

Electrons; neutrons

Question 34

You can predict the type of __________ formed by an element based in its number of ____________________ electrons.

Accepted Answer

ion; valence

Answer

molecule; core

Answer

atom; shared

Answer

compound; paired

Question 35

________________ are atoms with the same number of protons, but different numbers of neutrons.

Accepted Answer

Isotopes

Answer

Ions

Answer

Molecules

Answer

Compounds

Question 36

The ________________ of an atom is the number of protons and ______________ in the nucleus.

Accepted Answer

mass number; neutrons

Answer

atomic number; electrons

Answer

atomic mass; protons

Answer

isotope; neutrons

Question 37

____________________ are atoms of the same element with different numbers of ___________________.

Accepted Answer

Isotopes; neutrons

Answer

Ions; protons

Answer

Molecules; electrons

Answer

Compounds; nuclei

Question 38

An atom of ____________________ would have 47 protons.

Accepted Answer

silver

Answer

gold

Answer

copper

Answer

iron

Question 39

Carbon is located in period ______ and group ______.

Accepted Answer

2; 14

Answer

3; 15

Answer

2; 16

Answer

1; 13

Question 40

______________________ is located in period 1 and group 1.

Accepted Answer

Hydrogen

Answer

Helium

Answer

Lithium

Answer

Oxygen

Question 41

Atoms form _________ with other atoms so that they can fill their outermost electron orbital. The outermost electron orbital is called the _________ orbital or shell.

Accepted Answer

bonds; valence

Answer

ions; core

Answer

isotopes; outer

Answer

bonds, core

Question 42

An atom wants to have ________ valence electrons in its outermost orbital. This is called ___________________.

Accepted Answer

8; an octet

Answer

10; a full valence shell

Answer

all of its; total neutrality

Answer

7; the halogen rule

Question 43

Counting atoms is the first step in ____________________ chemical equations.

Accepted Answer

balancing

Answer

writing

Answer

naming

Answer

predicting

Question 44

A Chemical Equation is balanced when the number of atoms of each element on the ________________ side is the same as the number of atoms of each element on the ____________________ side.

Accepted Answer

reactant; product

Answer

product; reactant

Answer

left; right

Answer

right; left

Question 45

Convert 5.74 liters to milliliters.

Accepted Answer

5740 milliliters

Answer

574 milliliters

Answer

57400 milliliters

Answer

57.4 milliliters

Question 46

A liquid has a mass or 40g and volume of 20mL what is the density of the liquid?

Accepted Answer

2 g/mL

Answer

0.5 g/mL

Answer

20 g/mL

Answer

4 g/mL

Question 47

Matter is:

Accepted Answer

Anything that has mass and takes up space.

Answer

A type of energy.

Answer

A form of light.

Answer

A chemical reaction.

Question 48

Density is:

Accepted Answer

The amount of mass in a given volume

Answer

The amount of energy in a substance

Answer

The speed of an object

Answer

The temperature of a substance

Question 49

Density and mass are different because:

Accepted Answer

Density is the amount of matter in a given volume, while mass is the amount of matter in an object.

Answer

Density is measured in kilograms, while mass is measured in grams per cubic centimeter.

Answer

Density and mass are the same property of matter.

Answer

Density is only found in liquids, while mass is found in solids.

Question 50

How are physical and chemical properties different?

Accepted Answer

Physical properties can be observed without changing the substance, while chemical properties describe how a substance changes into a new one.

Answer

Physical properties describe how a substance reacts with other substances, while chemical properties can be observed without changing the substance.

Answer

Physical and chemical properties are the same.

Answer

Physical properties are only found in solids, while chemical properties are only found in liquids.

Question 51

Which of the following best describes the similarities and differences between physical and chemical changes?

Accepted Answer

Both involve changes in matter, but only chemical changes result in new substances.

Answer

Both result in new substances being formed.

Answer

Physical changes are irreversible, while chemical changes are always reversible.

Answer

Physical changes involve energy changes, while chemical changes do not.

Question 52

What are the 5-6 ways you know a chemical change has occurred?

Accepted Answer

Change in color, formation of a gas, formation of a precipitate, change in temperature, change in odor, production of light

Answer

Change in shape, melting, dissolving, freezing, boiling, condensation

Answer

Change in size, breaking, tearing, folding, mixing, stretching

Answer

Evaporation, sublimation, condensation, filtration, distillation, crystallization

Question 53

The 2 main regions of the atom are:

Accepted Answer

nucleus and electron cloud

Answer

protons and neutrons

Answer

electrons and protons

Answer

shells and orbits

Question 54

What are the three subatomic particles we discussed? Where are each of these particles located within the atom?

Accepted Answer

Protons, neutrons, and electrons; protons and neutrons are in the nucleus, electrons are outside the nucleus.

Answer

Protons, electrons, and photons; all are in the nucleus.

Answer

Neutrons, electrons, and positrons; neutrons and electrons are in the nucleus, positrons are outside.

Answer

Protons, neutrons, and electrons; all are outside the nucleus.

Question 55

Some of the properties of the alkali metals are:

Accepted Answer

They are soft and have low melting points.

They are highly reactive

Answer

They are hard and have high melting points.

They are non-reactive

Answer

They are non-conductors of electricity.

Answer

They are colorless gases at room temperature.

Question 56

The physical and chemical properties of the noble gases are:

Accepted Answer

low reactivity and are colorless, odorless gases

Answer

high reactivity and metallic bonding

Answer

solid at room temperature and highly reactive

Answer

form many compounds easily

Question 57

The physical properties of the transition metals include:

Accepted Answer

high melting and boiling points, good conductivity, and malleability

Answer

low melting points and poor conductivity

Answer

brittleness and low density

Answer

lack of metallic luster

Question 58

What should you know about the alkaline earth metals?

Accepted Answer

They are highly reactive metals found in Group 2 of the periodic table.

Answer

They are nonmetals found in Group 18 of the periodic table.

Answer

They are transition metals found in the center of the periodic table.

Answer

They are noble gases found in Group 1 of the periodic table.

Question 59

Ions are:

Accepted Answer

atoms or molecules with a net electric charge due to the loss or gain of electrons

Answer

neutral atoms with equal numbers of protons and electrons

Answer

particles found only in metals

Answer

molecules that cannot conduct electricity

Question 60

Write the ion notation for a typical ion of magnesium.

Accepted Answer

Mg2+

Answer

Mg2-

Answer

Mg+

Answer

Mg-

Question 61

Isotopes are:

Accepted Answer

atoms with the same number of protons but different number of neutrons

Answer

atoms with the same number of neutrons but different number of protons

Answer

atoms with different numbers of protons and electrons

Answer

atoms with the same number of protons and electrons

Question 62

Write both isotopic notations for an atom of nitrogen with a mass number of 14.

Accepted Answer

¹⁴N and Nitrogen-14

Answer

⁷N and Nitrogen-7

Answer

N-14 and Nitrogen-14

Answer

N-7 and Nitrogen-7

Question 63

An ionic bond is:

Accepted Answer

A bond formed by the transfer of electrons from one atom to another.

Answer

A bond formed by the sharing of electrons between atoms.

Answer

A bond formed by the equal sharing of protons between atoms.

Answer

A bond formed by the overlapping of atomic orbitals.

Question 64

A covalent bond is:

Accepted Answer

A bond formed by the sharing of electrons between atoms.

Answer

A bond formed by the transfer of electrons between atoms.

Answer

A bond formed by the attraction between oppositely charged ions.

Answer

A bond formed by the sharing of protons between atoms.

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