Quiz about Grade 9 Chemistry Review

Question 1

A ___________ is an arrangement of elements in columns

Accepted Answer

periodic table

Answer

columns

Answer

rows

Answer

electron shell

Question 2

Each column in the periodic table is called a

Accepted Answer

group

Answer

period

Answer

cluster

Answer

unit

Question 3

The atomic number tells you what?

Accepted Answer

number of protons

Answer

number of electrons

Answer

number of neutrons

Answer

both electrons and protons in an atom.

Question 4

Which group of the periodic table is composed of inert (not reactive)  gases?

Accepted Answer

noble gases

Answer

alkali metals

Answer

alkaline earth metals

Answer

halogens

Question 5

Elements which are shiny, conduct electricity and heat are called

Accepted Answer

metal

Answer

nonmetal

Answer

metalloid

Answer

nonexistent

Question 6

The atoms along the staircase are called

Accepted Answer

metalloids

Answer

metals

Answer

nonmetals

Answer

noble gases

Question 7

Which is a halogen?

Accepted Answer

Chlorine

Answer

Helium

Answer

Oxygen

Answer

Neptune

Question 8

Which is an alkali metal?

Accepted Answer

Sodium

Answer

Magnesium

Answer

Iron

Answer

Europium

Question 9

A horizontal row of elements in the periodic table.

Accepted Answer

period

Answer

column

Answer

group

Question 10

A vertical column in the periodic table.  Elements share similar properties.

Accepted Answer

group

Answer

row

Answer

period

Question 11

Elements in a ..................have similar chemical properties.

Accepted Answer

group

Answer

period

Answer

row

Question 12

The simplest substance is..?

Accepted Answer

An element

Answer

Carbon

Answer

Water

Answer

A simple compound

Question 13

A proton is....

Accepted Answer

A positively charged subatomic particle

Answer

A negatively charged subatomic particle

Answer

A neutrally charged subatomic particle

Answer

The only subatomic particle located in the nucleus

Question 14

A neutron has a charge of

Accepted Answer

No charge

Answer

+2

Answer

-1

Answer

+1

Question 15

How did Mendeleev arrange the elements?

Accepted Answer

atomic mass

Answer

alphabetical

Answer

density

Answer

melting point

Question 16

The number at the bottom of each square on the periodic table is the ...

Accepted Answer

atomic mass

Answer

atomic number

Answer

chemical symbol

Answer

element name

Question 17

The number at the top of each square on the periodic table is the ...

Accepted Answer

atomic number

Answer

atomic mass

Answer

Chemical Symbol

Answer

Element Name

Question 18

The months of the year are __________ because they repeat in the same order every 12 months.

Accepted Answer

periodic

Answer

group

Answer

period

Answer

halogens

Question 19

The yellow atoms are called

Accepted Answer

nonmetals

Answer

metals

Answer

metalloids

Answer

noble gases

Question 20

How many Valance electrons does Iodine Have?

Accepted Answer

7

Answer

6

Answer

16

Answer

17

Question 21

How many electrons does Oxygen need to fill its outer shell?

Accepted Answer

2

Answer

3

Answer

4

Answer

1

Question 22

The period for Bromine is ___________.

Accepted Answer

4

Answer

3

Answer

2

Question 23

An element's identity is determined by the number of

Accepted Answer

protons.

Answer

electrons.

Answer

neutrons.

Answer

valence.

Question 24

Group 18 elements are known as the _____ _____ and have full valence shells.

Accepted Answer

noble gases.

Answer

royal gases.

Answer

supreme solids.

Answer

legit liquids.

Question 25

Which elements have the most similar chemical properties?

Accepted Answer

K and Na

Answer

K and Ca

Answer

K and Cl

Answer

K and S

Question 26

What period and group is Silver (Ag)?

Accepted Answer

Period 5, Group 11

Answer

Period 2, Group 1

Answer

Period 3, Group 16

Answer

Period 2, 14

Question 27

The elements in this group have 5 valence electrons and include elements N, P, and As.

Accepted Answer

Group 15

Answer

Group 5

Answer

Group 1

Answer

Group 18

Question 28

Which of the following is not a property of metals?

Accepted Answer

brittle

Answer

malleable

Answer

lustrous

Answer

conductive

Question 29

Rows on the period table are called _____ while columns are called _____.

Accepted Answer

periods, groups

Answer

groups, families

Answer

groups, periods

Answer

families, groups

Question 30

How many electrons do atoms need to be stable?

Accepted Answer

8

Answer

1

Answer

2

Answer

6

Question 31

What happens in ALL chemical changes?

Accepted Answer

A new substance is formed

Answer

Change in state of matter

Answer

Bubbles are produced

Answer

An explosion

Question 32

Which of the following is a sign that a chemical reaction has occurred?

Accepted Answer

formation of a gas

Answer

change in shape

Answer

melting

Answer

dissolving

Question 33

What subatomic particles would you find in the nucleus of an atom?

Accepted Answer

Protons and Neutrons

Answer

Protons only

Answer

Neutrons and Electrons

Answer

Protons and Electrons

Question 34

Which subatomic particles contribute the most to the mass of an atom?

Accepted Answer

Protons and Neutrons

Answer

Protons, Neutrons, Electrons

Answer

Protons only

Answer

Protons and Electrons

Question 35

What is the number of protons that the element in this image contain?

Accepted Answer

7

Answer

14

Answer

15

Answer

18

Question 36

An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.

Accepted Answer

25

Answer

20

Answer

10

Answer

5

Question 37

An element with a mass number of 11 and an atomic number of 5 has how many neutrons?

Accepted Answer

6

Answer

11

Answer

5

Answer

16

Question 38

What is the atomic mass of the atom pictured?

Accepted Answer

19

Answer

9

Answer

10

Answer

18

Question 39

What is the atomic number of the atom pictured?

Accepted Answer

9

Answer

10

Answer

18

Answer

19

Question 40

Which scientist conducted experiments using alpha particles and thin gold foil, which later helped him develop his model for the atom?

Accepted Answer

Ernest Rutherford

Answer

Kneels Bore

Answer

Niels Bohr

Answer

Earnest Rutherfraud

Question 41

Which scientist discovered the electron, which helped him develop a model of the atom?

Accepted Answer

J.J Thompson

Answer

Niels Bohr

Answer

John Dalton

Answer

Ernst Rutherford

Question 42

How many electron shells/levels does this atom have?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 43

How did Rutherford discover the proton?

Accepted Answer

Gold Foil Experiment

Answer

Cathode tube ray experiment

Answer

Planetary Model

Answer

Plum Pudding Model

Question 44

What contribution did John Dalton make to atomic theory?

Accepted Answer

He discovered that every element consisted of one type of atom.

Answer

He discovered that every atom was positively charged.

Answer

He discovered that atoms had nuclei.

Answer

He discovered that atoms could be divided into smaller parts.

Question 45

What scientist is best known for his "Plum Pudding" model of the atom?

Accepted Answer

J.J. Tomson

Answer

Ernest Rutherford

Answer

John Dalton

Answer

Democritus

Question 46

J.J. Thomson provided evidence that an atom...

Accepted Answer

contains negatively charged particles

Answer

is the smallest particle of matter

Answer

has an overall negative charge

Answer

has an overall positive charge

Question 47

Place the following scientists in order, from earliest to latest:
A) Ernest Rutherford
B) J.J. Thomson
C) John Dalton

Accepted Answer

C,B,A

Answer

B,C,A

Answer

C,A,B

Answer

A,C,B

Question 48

An atom's overall charge is ________.

Accepted Answer

neutral

Answer

positive

Answer

depends

Answer

negative

Question 49

Neon has an atomic number of 10 and an atomic mass of 20.180.  How many protons, electrons, and neutrons will it have?

Accepted Answer

P=10  E=10  N=10

Answer

P=10 E=10 N=11

Answer

P=5  E=5  N=10

Answer

P=10  E=5  N=5

Question 50

Covalent compounds

Accepted Answer

Share electrons

Answer

transfer electrons

Answer

contain a sea of electrons

Answer

conduct electricity

Question 51

What two types of atoms make a covalent bond?

Accepted Answer

2 Nonmetals

Answer

1 Nonmetal and 1 Metal

Answer

2 Metals

Answer

2 Noble Gases

Question 52

How many valence electrons does Neon have?

Accepted Answer

8

Answer

7

Answer

9

Answer

10

Question 53

The octet rule states that atoms are more stable when they

Accepted Answer

have a full outer shell

Answer

have more protons than electrons

Answer

have more electrons than protons

Answer

have a partial outer shell

Question 54

Which one of these is a chemical property?

Accepted Answer

flammability

Answer

melting point

Answer

boiling point

Answer

color

Question 55

What is reactability?

Accepted Answer

the ability of a substance to undergo a chemical reaction, either by itself or with other materials

Answer

the ability of a substance to undergo a physical change either by itself or with other materials

Question 56

Flammability is an example of what property?

Accepted Answer

Chemical property

Answer

Physical property

Question 57

Which of the following is a chemical property?

Accepted Answer

ability to rust

Answer

ability to conduct heat

Answer

volume

Answer

magnetic

Question 58

What kind of properties can only be observed when a substance changes into a different substance?

Accepted Answer

chemical properties

Answer

physical properties

Answer

liquid properties

Answer

real properties

Question 59

Which of the following is an example of MATTER?

Accepted Answer

air

Answer

light

Answer

gravity

Answer

sound

Question 60

Particles in a _____________ are tightly packed together.

Accepted Answer

solid

Answer

liquid

Answer

gas

Answer

plasma

Question 61

What is the change of state from a solid straight to a gas called?

Accepted Answer

sublimation

Answer

melting

Answer

evaporating

Answer

freezing

Question 62

An inflated balloon is placed in a refrigerator. Which statement describes the movement of the gas particles in the balloon?

Accepted Answer

The particles move more slowly and become closer together.

Answer

The particles move more slowly and become further apart.

Answer

The particles move faster and become closer together.

Answer

The particles move faster and become further apart.

Question 63

The amount of matter in an object is a measure of the object's ________________.

Accepted Answer

mass

Answer

volume

Answer

density

Answer

solubility

Question 64

WHMIS stands for...

Accepted Answer

Workplace hazardous materials information system

Answer

Working hard means including smiles

Answer

Workplace hazards must include safety

Answer

Workplaces hazardous materials information solution

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