WorksheetsChemistry Midterm Review
Total questions: 67
Worksheet time: 34mins
Name
Class
Date
1.
Which is the element of the choices below?
a)
HI
b)
Mg
c)
CO
d)
KCl
2.
What compound is listed below?
a)
Cobalt
b)
Nickel
c)
Sodium chloride
d)
Gold
3.
How many atoms of hydrogen are present in the formula, (NH4)2CO3
a)
8
b)
4
c)
2
d)
6
4.
What is the total number of atoms present in the compound, CaCO3?
a)
3
b)
4
c)
5
d)
6
5.
How many total atoms are present in CO2?
a)
3
b)
2
c)
1
d)
4
6.
What is vaporization?
a)
liquid to solid
b)
liquid to gas
c)
gas to liquid
d)
gas to solid
7.
What is condensation?
a)
gas to liquid
b)
solid to liquid
c)
gas to solid
d)
liquid to gas
8.
What is the freezing point of water?
a)
100°C
b)
0°C
c)
-5°C
d)
22°C
9.
Identify the portion of the graph (by line segment) in which the substance is going through the melting process.
a)
AB
b)
BC
c)
CD
d)
DE
10.
Identify all of the portions of the graph (by line segment) in which the substance is being heated without a phase change occurring
a)
BC & DE
b)
AB, CD, & EF
c)
AB only
d)
AB, BC, & DE
11.
Identify the portion of the graph (by line segment) in which the substance is going through the vaporization process
a)
AB
b)
DE
c)
BC
d)
EF
12.
Identify the portion of the graph (by line segment) in which the substance is going through the vaporization process
a)
AB
b)
DE
c)
BC
d)
EF
13.
Water boils at lower temperature on the mountains or higher elevations because
a)
the pressure is less than 1 atm
b)
the pressure is greater than 1 atom
c)
temperature is cooler
d)
temperature is warmer
14.
What is another name for solutions?
a)
homogeneous mixture
b)
heterogeneous mixture
c)
colloid
d)
emulsion
15.
Which is an example of a homogeneous mixture?
a)
sand
b)
clean air
c)
vegetable soup
d)
fresh-squeezed orange juice
16.
Which is a compound?
a)
sodium
b)
sea water
c)
carbon dioxide
d)
brass
17.
Which of the following substances is an element?
a)
baking soda
b)
iron
c)
salt
d)
sugar
18.
Which of the following substances is a mixture?
a)
baking soda
b)
vegetable soup
c)
salt
d)
sugar
19.
Sand and water is an example of
a)
colloid
b)
suspension
c)
emulsion
d)
solution
20.
Which is the type of separation technique being demonstrated in the figure?
a)
crystallization
b)
distillation
c)
filtration
d)
chromatography
21.
What type of matter can be separated by filtration?
a)
heterogeneous mixture
b)
colloid
c)
emulsion
d)
solution
22.
What is the unit for mass?
a)
grams (g)
b)
milliliters (mL)
c)
grams per milliliter (g/mL)
d)
centimeter (cm)
23.
What is the unit for density?
a)
grams (g)
b)
milliliters (mL)
c)
grams per milliliter (g/mL)
d)
centimeter (cm)
24.
Methanol has a density of 0.79 g/mL. What would be the mass of 750 mL of methanol?
a)
593 g
b)
1.26 g
c)
0.001 g
d)
749 g
25.
Choose the metal from the following elements
a)
phosphorus
b)
carbon
c)
calcium
d)
nitrogen
26.
Choose the nonmetal from the following elements
a)
sodium
b)
nickel
c)
zinc
d)
sulfur
27.
Which category of elements have the property of being malleable and ductile?
a)
gases
b)
metals
c)
metalloids
d)
nonmetals
28.
Which element is a good conductor of electricity?
a)
carbon
b)
xenon
c)
copper
d)
chlorine
29.
If a substance is __________, it can be pounded into shapes.
a)
ductile
b)
malleable
c)
magnetic
d)
chemically reactive
30.
Which of the following is NOT a characteristic of most metals?
a)
liquid at room temperature
b)
good conductors of heat and electricity
c)
malleable
d)
solid at room temperature
31.
What are the "zig-zag" line of elements separating the metals from the nonmetals?
a)
metals
b)
nonmetals
c)
metalloids
d)
transition metals
32.
The vertical columns in the periodic table is called
a)
group
b)
period
c)
row
d)
table
33.
In the diagram, "8" refers to the element's
a)
atomic mass.
b)
atomic number.
c)
atomic symbol.
d)
state of matter
34.
In the diagram, "O" refers to the element's
a)
atomic mass.
b)
atomic number.
c)
atomic symbol.
d)
state of matter
35.
In the diagram, 15.999 refers to the element's
a)
atomic mass.
b)
atomic number.
c)
atomic symbol.
d)
state of matter
36.
Which is the halogen that is in Period 5?
a)
Bromine (Br)
b)
Strontium (Sr)
c)
Iodine (I)
d)
Xenon (Xe)
37.
Which metalloid is in the fourth period and the same group as Carbon?
a)
Silicon
b)
Germanium
c)
Tin
d)
Boron
38.
Which is the element that is in Period 5 and Group 17?
a)
Bromine (Br)
b)
Strontium (Sr)
c)
Iodine (I)
d)
Xenon (Xe)
39.
Which element has 14 protons?
a)
Nitrogen
b)
Silicon
c)
Aluminum
d)
Sulfur
40.
An element's properties can be predicted from its
a)
symbol
b)
number of neutrons
c)
atomic mass
d)
location on the periodic table
41.
Where are the Lanthanides and Actinides located on the periodic table?
a)
Groups 13-18 on the periodic table
b)
At the bottom of the periodic table
c)
In the Alkaline Earth Metals
d)
B & C
42.
Name of the elements in group 17
a)
Alkali metals
b)
Alkaline Earth metals
c)
Noble gases
d)
Halogens
43.
Elements in the periodic table are arranged in order of increasing _________________.
a)
velocity
b)
volume
c)
atomic mass
d)
atomic number
44.
An element in column 2 of the periodic table is a(n) _______ metal.
a)
actinide
b)
inner transition
c)
alkali
d)
alkaline earth
45.
Inner transition metals with atomic numbers 90 to 103 make up the __________.
a)
noble gases
b)
halogens
c)
actinides
d)
alkaline earth metals
46.
A row of elements on the periodic table is a(n) __________.
a)
family
b)
period
c)
group
d)
section
47.
The _____________________ are found in the 18th column of the periodic table
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
48.
Which group has the most reactive nonmetals?
a)
Alkali Metals
b)
Alkaline Earth Metals
c)
Halogens
d)
Noble Gases
49.
Which group has the most reactive metals?
a)
Alkali Metals
b)
Alkaline Earth Metals
c)
Halogens
d)
Noble Gases
50.
How many periods are there on a periodic table?
a)
7
b)
18
c)
9
d)
2
51.
Which scientist first arranged elements by atomic number?
a)
Mendeleev
b)
Lavoisier
c)
Newlands
d)
Mosely
52.
Which scientist characterized the "law of octaves"?
a)
Mendeleev
b)
Lavoisier
c)
Newlands
d)
Mosely
53.
Which scientist is known as the "Father of Modern Periodic Table"?
a)
Mendeleev
b)
Lavoisier
c)
Newlands
d)
Mosely
54.
According to _________ periodic table, the physical and chemical properties of elements are periodic functions of their atomic weights.
a)
Dmitri Mendeleev's
b)
John Newlands
c)
Henry Moseley's
d)
Lothar Meyer's
55.
What particles are found in the center of the atom (nucleus)?
a)
protons & neutrons
b)
protons & electrons
c)
electrons & neutrons
d)
only neutrons
56.
What is the best explanation of how light is produced in the flame test?
a)
Electrons emitted from the nucleus in an atom
b)
Gamma rays from radioactive atoms
c)
Electrons falling from a higher to a lower energy level in an atom
d)
Electrons being excited from a lower to a higher energy level in an atom
57.
Is orange juice a mixture or a pure substance?
a)
Mixture
b)
Pure substance
58.
Is carbon dioxide a mixture or a pure substance?
a)
Mixture
b)
Pure substance
59.
Is air a mixture or a pure substance?
a)
Mixture
b)
Pure substance
60.
Is vegetable soup a mixture or a pure substance?
a)
Mixture
b)
Pure substance
61.
Is calcium a mixture or a pure substance?
a)
Mixture
b)
Pure substance
62.
Is a salt water solution a homogeneous or heterogeneous mixture?
a)
Heterogeneous
b)
Homogeneous
63.
Is soil and water a homogeneous or heterogeneous mixture?
a)
Heterogeneous
b)
Homogeneous
64.
Is air a homogeneous or heterogeneous mixture?
a)
Heterogeneous
b)
Homogeneous
65.
Is noodle soup a homogeneous or heterogeneous mixture?
a)
Heterogeneous
b)
Homogeneous
66.
Is Kool aid a homogeneous or heterogeneous mixture?
a)
Heterogeneous
b)
Homogeneous
67.
Determine the density of a liquid from the following data:
Mass of the graduated cylinder: 33.79 g
Mass of the cylinder and liquid: 40.14 g
Volume of liquid: 13.3 mL
Mass of the graduated cylinder: 33.79 g
Mass of the cylinder and liquid: 40.14 g
Volume of liquid: 13.3 mL
a)
3.03 g/mL
b)
0.4774 g/mL
c)
2.09 g/mL
d)
none of the above
100 %
