WorksheetsChem Principles final exam practice
Total questions: 60
Worksheet time: 34mins
Name
Class
Date
1.
Which picture best represents a liquid?
a)
left
b)
center
c)
right
2.
How does the speed of the molecules on the left compare with the other two pictures?
a)
slower
b)
the same
c)
faster
3.
What happens to the molecules' speed as they get warmer?
a)
speeds up
b)
slows down
c)
stays the same
4.
What happens to the molecules' arrangement as they get cooler?
a)
farther apart
b)
closer together
c)
stays the same
5.
Which state of matter does not take the shape of its container?
a)
gas
b)
liquid
c)
solid
6.
____________ is the temperature when a solid turns into a liquid.
a)
Melting point
b)
Freezing point
c)
Boiling point
7.
____________ is the temperature when a liquid turns into a solid.
a)
Melting point
b)
Freezing point
c)
Boiling point
8.
____________ is the temperature when a liquid turns into a gas.
a)
Melting point
b)
Freezing point
c)
Boiling point
9.
__________ is when a gas turns into a liquid.
a)
melting
b)
freezing
c)
condensation
d)
evaporation
10.
Volume is the amount of ______ an object occupies.
a)
weight
b)
space
c)
area
11.
Atoms of different elements are
a)
the same
b)
different
12.
As pressure increases, volume
a)
increases
b)
stays the same
c)
decreases
13.
As temperature increases, volume
a)
increases
b)
stays the same
c)
decreases
14.
As temperature increases, pressure
a)
increases
b)
stays the same
c)
decreases
15.
_______ is when a liquid turns into a gas
a)
sublimation
b)
condensation
c)
evaporation
16.
_______ is when a gas turns into a liquid
a)
sublimation
b)
condensation
c)
evaporation
17.
_______ is when a gas turns into a solid
a)
sublimation
b)
condensation
c)
evaporation
18.
What process occur when energy is removed?
a)
evaporation and condensation
b)
condensation and freezing
c)
freezing and melting
d)
melting and evaporation
19.
What process occur when energy is added?
a)
evaporation and condensation
b)
condensation and freezing
c)
freezing and melting
d)
melting and evaporation
20.
As we inhale, lung volume increases. Pressure in the lungs
a)
increases
b)
stays the same
c)
decreases
21.
_______ and ________ are located in the nucleus.
a)
Protons and electrons
b)
Protons and neutrons
c)
Neutrons and electrons
22.
_______ surround the nucleus.
a)
protons
b)
neutrons
c)
electrons
23.
Electrons have a ______ charge.
a)
negative
b)
neutral
c)
positive
24.
Neutrons have a ______ charge.
a)
negative
b)
neutral
c)
positive
25.
The orbital closest to the nucleus can hold ____ electrons.
a)
2
b)
8
c)
10
26.
The second and third orbitals can hold ____ electrons.
a)
2
b)
8
c)
10
27.
The ____________ tells how many protons an element has.
a)
atomic mass
b)
atomic number
c)
period number
d)
group number
28.
The ____________ tells how many electrons an element has.
a)
atomic mass
b)
atomic number
c)
period number
d)
group number
29.
The second letter of an element symbol is
a)
CAPITALIZED
b)
lower case
30.
Nucleic acids provide
a)
codes for everything
b)
immune support
c)
long-term energy
d)
short-term energy
31.
Lipids provide
a)
codes for everything
b)
immune support
c)
long-term energy
d)
short-term energy
32.
The micromolecule (smaller part that makes up) of a protein is
a)
monosaccharide
b)
fatty acid
c)
amino acid
d)
nucleotide
33.
The ________ change in an ion.
a)
protons
b)
neutrons
c)
electrons
34.
The ________ change in an isotope.
a)
protons
b)
neutrons
c)
electrons
35.
The micromolecule of a carbohydrate is
a)
monosaccharide
b)
fatty acid
c)
amino acid
d)
nucleotide
36.
What process makes carbohydrates?
a)
respiration
b)
transcription
c)
translation
d)
photosynthesis
37.
Acids have a ______ taste.
a)
sour
b)
bitter
38.
Bases have a ________ feel.
a)
smooth
b)
slippery
c)
sticky
39.
A substance with a pH of 7 is
a)
acidic
b)
neutral
c)
basic
40.
A substance with a pH of 7.1-14 is
a)
acidic
b)
neutral
c)
basic
41.
Many cleaning products are
a)
acidic
b)
neutral
c)
basic
42.
Acids and bases can conduct ______ when dissolved in water.
a)
heat
b)
electricty
c)
trains
43.
The products of a neutralization reaction are
a)
acid and base
b)
acid and water
c)
salt and water
44.
All salts are safe to eat.
a)
True
b)
False
45.
If a base is _____, it can burn skin.
a)
corrosive
b)
caustically
c)
caustic
46.
Litmus paper turns ______ in bases.
a)
red
b)
blue
c)
green
47.
Litmus paper turns ______ in acids.
a)
red
b)
blue
c)
green
48.
How many protons are in scandium (Sc)?
a)
21
b)
23.95
c)
24
d)
44.95
e)
49.
How many neutrons are in scandium (Sc)?
a)
21
b)
23.95
c)
24
d)
44.95
e)
50.
How many electrons does boron (B) have?
a)
2
b)
3
c)
5
d)
11
51.
Label the atom
a)
negative
b)
positive
c)
neutral
1
2
3
1)
2)
3)
52.
What fills up the space inside the balloon?
a)
liquid
b)
string
c)
solid
d)
gas
53.
A gas has (a) particle motion and (b) attractive forces between particles.
Choose from the below words
fast
low
slow
high
54.
If a gas is stored in an open container and the temperature is increased, what will occur?
a)
The volume of the gas will increase.
b)
The pressure of the gas will increase.
c)
The volume of a gas will decrease.
d)
The pressure of the gas will decrease.
55.
How many neutrons are there in the most common isotope of Boron? (a)
Choose from the below words
6
5
1
11
56.
Label the following items using the image provided.
a)Proton
b)Valence electron
c)Neutron
d)Electron
1
2
3
4
1)
2)
3)
4)
57.
Zirconium has how many Protons?
58.
The element Alumium (Al) has 13 protons. And it has (a) Valence electrons, while also containing (b) Energy Levels.
Choose from the below words
8
16
33
5
4
7
3
59.
The element Sulfur (S) has 16 protons. And it has (a) Valence electrons, while also containing (b) Energy Levels.
Choose from the below words
6
3
8
16
33
5
60.
Protons and Electrons = (a)
Neutrons = (b)
Choose from the below words
86
136
100 %
