Quiz about Chemistry Final Exam Review Pt. 1

Question 1

The study of chemicals that, in general, do not contain carbon is traditionally called what type of chemistry?

Accepted Answer

inorganic

Answer

bio

Answer

physical

Answer

analytical

Question 2

Which of the following is NOT an example of matter?

Accepted Answer

heat

Answer

air

Answer

smoke

Answer

water vapor

Question 3

A golf ball has more mass than a tennis ball because it ____.

Accepted Answer

contains more matter

Answer

takes up more space

Answer

contains different kinds of matter

Answer

has a definite composition

Question 4

An example of an extensive property of matter is ____.

Accepted Answer

mass

Answer

boiling point

Answer

temperature

Answer

hardness

Question 5

All of the following are physical properties of matter EXCEPT ____.

Accepted Answer

ability to rust

Answer

mass

Answer

melting point

Answer

color

Question 6

Which state of matter has a definite volume and takes the shape of its container?

Accepted Answer

liquid

Answer

solid

Answer

gas

Answer

both b and c

Question 7

Which of the following CANNOT be classified as a substance?

Accepted Answer

air

Answer

table salt

Answer

nitrogen

Answer

gold

Question 8

Which of the following is a heterogeneous mixture?

Accepted Answer

soil

Answer

air

Answer

steel

Answer

salt water

Question 9

Which of the following is a heterogeneous mixture?

Accepted Answer

oil and vinegar

Answer

vinegar in water

Answer

milk

Answer

air

Question 10

Separating a solid from a liquid by evaporating the liquid is called ____.

Accepted Answer

distillation

Answer

filtration

Answer

condensation

Answer

solution

Question 11

A substance that can be separated into two or more substances only by a chemical change is a(n) ____.

Accepted Answer

compound

Answer

solution

Answer

element

Answer

mixture

Question 12

The chemical symbol for iron is ____.

Accepted Answer

Fe

Answer

fe

Question 13

Which of the following is a chemical property?

Accepted Answer

ability to react with oxygen

Answer

color

Answer

hardness

Answer

freezing point

Question 14

Which of the following is NOT a physical change?

Accepted Answer

fermenting of cheese

Answer

grating cheese

Answer

melting cheese

Answer

mixing two cheeses in a bowl

Question 15

Which of the following does NOT involve a physical change?

Accepted Answer

decomposing

Answer

mixing

Answer

melting

Answer

grinding

Question 16

A chemical change occurs when a piece of wood ____.

Accepted Answer

decays

Answer

is split

Answer

is painted

Answer

is cut

Question 17

When an iron nail is ground into powder, its mass ____.

Accepted Answer

stays the same

Answer

decreases

Answer

increases

Answer

cannot be determined

Question 18

The closeness of a measurement to its true value is a measure of its ____.

Accepted Answer

accuracy

Answer

precision

Answer

reproducibility

Answer

usefulness

Question 19

As the density of a substance increases, the volume of a given mass of that substance ____.

Accepted Answer

decreases

Answer

increases

Answer

is not affected

Answer

fluctuates

Question 20

The smallest particle of an element that retains the properties of that element is a(n) ____.

Accepted Answer

atom

Answer

electron

Answer

proton

Answer

neutron

Question 21

Which of the following is NOT a part of Dalton's atomic theory?

Accepted Answer

Atoms are always in motion.

Answer

All elements are composed of atoms.

Answer

Atoms of the same element are identical.

Question 22

Which of the following is true about subatomic particles?

Accepted Answer

The mass of a neutron nearly equals the mass of a proton.

Answer

Electrons are negatively charged and are the heaviest subatomic particle.

Answer

Protons are positively charged and the lightest subatomic particle.

Answer

Neutrons have no charge and are the lightest subatomic particle.

Question 23

All atoms are ____.

Accepted Answer

neutral, with the number of protons equaling the number of electrons

Answer

positively charged, with the number of protons exceeding the number of electrons

Answer

negatively charged, with the number of electrons exceeding the number of protons

Answer

neutral, with the number of protons equaling the number of electrons, which is equal to the number of neutrons

Question 24

The particles that are found in the nucleus of an atom are ____.

Accepted Answer

protons and neutrons

Answer

neutrons and electrons

Answer

electrons only

Answer

protons and electrons

Question 25

As a consequence of the discovery of the nucleus by Rutherford, which model of the atom is thought to be true?

Accepted Answer

Electrons are distributed around the nucleus and occupy almost all the volume of the atom.

Answer

Protons, electrons, and neutrons are evenly distributed throughout the volume of the atom.

Answer

The nucleus is made of protons, electrons, and neutrons.

Answer

The nucleus is made of electrons and protons.

Question 26

The nucleus of an atom is ____.

Accepted Answer

the central core and is composed of protons and neutrons

Answer

positively charged and has more protons than neutrons

Answer

negatively charged and has a high density

Answer

negatively charged and has a low density

Question 27

The atomic number of an element is the total number of which particles in the nucleus?

Accepted Answer

protons

Answer

neutrons

Answer

electrons

Answer

protons and electrons

Question 28

An element has an atomic number of 76. The number of protons and electrons in a neutral atom of the element are ____.

Accepted Answer

76 protons and 76 electrons

Answer

152 protons and 76 electrons

Answer

76 protons and 0 electrons

Answer

38 protons and 38 electrons

Question 29

The sum of the protons and neutrons in an atom equals the ____.

Accepted Answer

mass number

Answer

atomic number

Answer

nucleus number

Answer

atomic mass

Question 30

What does the number 84 in the name krypton-84 represent?

Accepted Answer

the mass number

Answer

the atomic number

Answer

the sum of the protons and electrons

Answer

twice the number of protons

Question 31

All atoms of the same element have the same ___.

Accepted Answer

number of protons

Answer

number of neutrons

Answer

mass numbers

Answer

mass

Question 32

Isotopes of the same element have different ____.

Accepted Answer

numbers of neutrons

Answer

numbers of protons

Answer

numbers of electrons

Answer

atomic numbers

Question 33

The mass number of an element is equal to ____.

Accepted Answer

the total number of protons and neutrons in the nucleus

Answer

the total number of electrons in the nucleus

Answer

less than twice the atomic number

Answer

a constant number for the lighter elements

Question 34

Which of the following sets of symbols represents isotopes of the same element?

Accepted Answer

Question 35

In which of the following is the number of neutrons correctly represented?

Accepted Answer

238 92 U has 146 neutrons.

Answer

19 9 F has 0 neutrons.

Answer

75 33 As has 108 neutrons.

Answer

24 12 Mg has 24 neutrons.

Question 36

What unit is used to measure weighted average atomic mass?

Accepted Answer

amu

Answer

gram

Answer

angstrom

Answer

nanogram

Question 37

In the Bohr model of the atom, an electron in an orbit has a fixed ____.

Accepted Answer

energy

Answer

position

Answer

color

Answer

size

Question 38

How does the energy of an electron change when the electron moves closer to the nucleus?

Accepted Answer

It decreases.

Answer

It increases.

Answer

It stays the same.

Answer

It doubles.

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