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Unit #2: Chemistry Test Review!

Total questions: 100

Worksheet time: 1hrs 20mins

Name
Class
Date
1.

What are the four states of Matter?

a)

Solid, Liquid, Gas, Latent heat

b)

Solid, Gas, Latent Heat, Plasma

c)

Plasma, Solid, Liquid, Gas

d)

Plama, Solid, Liquid, Vapor

2.

Vaporization is the change from

a)

Liquid to Gas

b)

Solid to Liquid

c)

Gas to Solid

d)

Solid to Gas

3.

Change from Solid to Gas

a)

Condensation

b)

Melting

c)

Sublimation

d)

Boiling

4.

What changes for a phase to go through a phase change?

a)

Temperature

b)

Altitude

c)

Location

d)

Energy

5.

Anything that takes up space and has mass

a)

Matter

b)

Energy

c)

Gravity

d)

Force

6.

Heterogeneous Mixture

a)

Particles are distributed non-uniformly (Chocolate chip cookie)

b)

Particles are distributed uniformly (Milk, coffee)

7.

Homogeneous Mixture

a)

Particles are distributed non-uniformly (Chocolate chip cookie)

b)

Particles are distributed uniformly (Milk, Coffee)

8.

Match the following

a)

Acidic pH

1.

Less than 7 on the pH scale

b)

Basic pH

2.

Greater than 7 on the pH scale

c)

Neutral pH

3.

Equal to 7 on the pH scale

9.

Substance that is dissolved in solution.

a)

Solute

b)

Solvent

c)

Solution

d)

Substance

10.

Chemical substance that dissolves another chemical substance to form a solution.

a)

Solute

b)

Solvent

c)

Solution

d)

Substance

11.

Match the following

a)

Pure Substance

1.

One element or one compound.

b)

Mixture

2.

Two or more substances not combined.

c)

Element

3.

Contains only one kind of atom.

d)

Compound

4.

Contains two or more kinds of atoms.

12.
Blue Color: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
13.
Density: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
14.
Flammability (burns): Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
15.
Reacts with Acid: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
16.
Solubility (dissolves): Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
17.
Luster: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
18.
Boiling Point: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
19.
Sour Taste: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
20.
Physical or Chemical change?
rain evaporates on the sidewalk
a)
Physical 
b)
Chemical
21.
Physical or Chemical change?
electricity separates water into Hydrogen and Oxygen
a)
Physical 
b)
Chemical
22.
Physical or Chemical change?
sodium metal is cut with a knife
a)
Physical 
b)
Chemical
23.
Physical or Chemical change?
recycling used aluminum cans to make new aluminum cans
a)
Physical 
b)
Chemical
24.
Physical or Chemical change?
aluminum combining with oxygen to from aluminum oxide
a)
Physical 
b)
Chemical
25.
Physical or Chemical change?
cooking an egg
a)
Physical 
b)
Chemical
26.
Physical or Chemical change?
baking cookies
a)
Physical 
b)
Chemical
27.
Physical or Chemical change?
a nail rusting
a)
Physical 
b)
Chemical
28.
Physical or Chemical change?
burning wood
a)
Physical 
b)
Chemical
29.
Physical or Chemical change?
glucose dissolves in water
a)
Physical 
b)
Chemical
30.

All matter is made of _________.

a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
31.
What is at the center of every atom?
a)
An electron
b)
A compound
c)
A molecule
d)
A nucleus
32.
The positively charged particles of an atom are the ________.
a)
electrons
b)
protons
c)
neutrons
d)
protons & neutrons
33.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
DNA and RN
34.

Atoms are made up of ________________

a)

energy

b)

electrons

c)

subatomic particles

d)

gasses

35.

The subatomic particles that make up an atom.

a)

solid, liquid, gas

b)

electrons, protons, nucleus

c)

energy, protons, nucleus

d)

electrons, protons, neutrons

36.

__________ are negatively charged particles that are in the orbitals around the nucleus.

a)

protons

b)

nucleus

c)

neutrons

d)

electrons

37.

A proton has a ___________ charge.

a)

positive

b)

negative

c)

neutral

d)

massive.

38.

An electron has a _________ charge

a)

positive

b)

neutral

c)

negative

d)

massive

39.

A neutron has _________ charge or is ________.

a)

negative ... neutral

b)

positive .... neutral

c)

no .... negative

d)

no ... neutral

40.
Which is an electron?
a)
A
b)
B
c)
C
41.

How many atoms of Hydrogen are in H2O

a)

1

b)

2

c)

3

d)

more than 3

42.

contains only 1 type of atom

a)

element

b)

compound

c)

mixture

43.

contains 2 or more elements that are chemically combined

a)

element

b)

compound

c)

mixture

44.

contains 2 or more substances that are physically combined

a)

element

b)

compound

c)

mixture

45.

carbon dioxide, CO2, is an example of a(n)

a)

element

b)

compound

c)

mixture

46.

gold, Au, is an example of a(n)

a)

element

b)

compound

c)

mixture

47.

chlorine gas, Cl2, is an example of a(n)

a)

element

b)

compound

c)

mixture

48.

Kool-aid is a example of a(n)

a)

element

b)

compound

c)

mixture

49.
All elements in the same group have the same number of ___.
a)
protons
b)
neutrons
c)
atomic mass units
d)
valence electrons
50.
The majority of elements on the periodic table are
a)
man made.
b)
nonmetals.
c)
metals.
d)
gases.
51.

Semiconductors, or metalloids, can be described as...

a)

same as nonmetals

b)

bad conductors

c)

characteristics of metals and nonmetals

d)

same as metals

52.
The Modern Periodic Table of Elements is arranged by
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
53.
What does the 6 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
54.
What does 12.011 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
55.

one or two letters that represent the name of an element

a)

element name

b)

element symbol

c)

atomic number

d)

atomic mass

56.

a grouping of elements based on similar properties, arranged by columns in the periodic table; also known as a group

a)

family

b)

period

c)

row

d)

isotope

57.

a row on the Periodic Table of Elements

a)

family

b)

period

c)

row

d)

isotope

58.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
59.

Which color on the image of the periodic table corresponds with the metalloids.

a)

bright yellow

b)

gold

c)

teal

d)

light blue

60.

Which elements are colored red?

a)

nonmetals

b)

metals

c)

metalloids

61.
All of these properties describe metals except...
a)
malleable
b)
conductors
c)
brittle 
d)
shiny
62.
Silicon is a semiconductor and has properties of both metals and nonmetals. What type of element is Silicon? 
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Pretty
63.

________ are good conductors of electricity; they are often shiny solids at room temperature.

a)

Non-metals

b)

Metalloids

c)

Metals

d)

Noble gases

64.

What element is represented as Cl?

a)

Carbon Iodine

b)

Cadmium

c)

Cobalt

d)

Chlorine

65.

How do scientists represent the element Cobalt?

a)

C

b)

Cb

c)

CO

d)

Co

66.

Identify Sodium (Na) as a metal, non metal or a metalloid.

a)

Metal

b)

Nonmetal

c)

Metalloid

67.

Name this element.

a)

Neon

b)

Magnesium

c)

Sodium

d)

Manganese

68.

An element will always have the same number of 

a)
neutrons
b)
protons
c)
isotopes
d)
atoms
69.

What is the maximum number of electrons that can be found in the first shell (energy level)?

a)

2

b)

8

c)

18

70.

What is the atomic number of this element?

a)

17

b)

18

c)

35

d)

35.453

71.

Which element is this?

a)

Calcium

b)

Chlorine

c)

Silicon

d)

Potassium

72.

Which element is this?

a)

Nickel

b)

Neon

c)

Sodium

d)

Nitrogen

73.

Who came up with the first atomic theory?

a)

Dalton

b)

Socrates

c)

Thomas

d)

Rutherford

74.

What did Bohr's atomic theory model look like?

a)

A ring with gold foil in the middle.

b)

Electrons orbiting the nucleus like the planets around the sun.

c)

A cloud of electrons floating around the nucleus.

d)

A scoop of chocolate chip ice cream. It had electrons scattered within a ball of positive charge.

75.

Who first came up with the idea of an atom and called them "atomos"?

a)

o Democritus

b)

o Thomson

c)

o Rutherford

d)

o Bohr

76.

He discovered neutrons.

a)
Rutherford
b)
Bohr
c)
Chadwick
d)
Dalton
e)

Thomson

77.

Which scientist discovered the electrons?

a)

Dalton

b)

Thomson

c)

Atristotle

d)

Bohr

78.
The scientist responsible for "discovering" the nucleus is:
a)
Bohr
b)
Rutherford
c)
Schroedinger
d)
Einstein
79.
Is water an element or a compound?
a)
Element
b)
Compound
80.

Identify which images are PURE SUBSTANCES! (Check all that apply) : )

a)
b)
c)
d)
e)
81.
What are the two types of Mixtures
a)

Elements and Subatomic Particles

b)

Protons and Electrons

c)

Atoms and Compounds

d)

Homogenous and Heterogeneous

82.

Ms. Powers made Kool-Aid for her classes. The sugar and powder mixture was the​ (a)   . The water was the ​ (b)   . The Kool-Aid was the ​ (c)  

Choose from the below words
solute
solvent
solution
equation
salt
solve
83.

What is another name for a homogeneous mixture?

a)

Solute

b)

Solution

c)

Heterogeneous mixture

d)

Solvent

84.

Which of the following mixtures can be separated with a magnet?

a)

sand and salt

b)

sand and iron filings

c)

sugar and water

d)

saltwater

85.

Which mixture can be separated using a filter?

a)

sand and iron filings

b)

saltwater

c)

sand and water

d)

none of the above

86.

Which method(s) below is suitable to obtain salt from a salt solution?

a)

distillation

b)

dissolving

c)

filtration

d)

evaporation

87.

True or False: Mixtures can be separated by physical processes.

a)

True

b)

False

88.
Salad is an example of a
a)
homogeneous mixture
b)
heterogeneous mixture
89.
Coloured water is an example of a
a)
homogeneous mixture
b)
heterogeneous mixture
90.
Milk is a 
a)
solution
b)
suspension
c)
colloid
91.
What type of mixture separates upon standing?
a)
Solution
b)
Alloy
c)
Colloid
d)
Suspension
92.

A type of mixture where the particles are larger than those in a solution but not heavy enough to settle out.

a)

Homogeneous mixture

b)

Colloid

c)

Suspension

d)

Compound

93.
Sand floating in water, but most of the sand is settled at the bottom this an example of which type of mixture?
a)
A solution
b)
A colloid
c)
A suspension
d)
A compound
94.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-14
d)
1-20
95.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
96.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
97.
What is the only substance with a neutral pH of 7?
a)
Milk
b)
Orange Juice
c)
Water
d)
Blood
98.
A solution with a pH of 3.6 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
99.
A solution with a pH of 8.6 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
100.
A solution with a pH of 10 is mixed with a solution with a pH of 4.  What would the pH of the mixture most likely be?
a)
10
b)
4
c)
40
d)
7

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