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MYP Chemistry Midterm Review

Total questions: 105

Worksheet time: 4hrs 40mins

Name
Class
Date
1.

What is the definition of matter?

a)

Anything that has mass and takes up space

b)

A substance that is liquid, solid, or gas

c)

Anything that is pure

d)

Anything that you can see or hold

2.

What is the study of matter and how matter changes?

a)

Physical Science

b)

Chemistry

c)

Biology

d)

Matterology

3.

What term means "take up space"

a)

Volume

b)

Matter

c)

Mass

d)

Substance

4.

Physical Properties:

a)

Charactertistics that can be observed using the 5 senses

b)

Chemical makeup

5.

Is salt (NaCI) a compound or an element?

a)

Compound

b)

Element

6.

Which one can be found on the periodic table?

a)

Element

b)

Compound

c)

Molecule

7.

Which of the following is not a compound?

a)

Cl

b)

HCl

c)

NaCL

d)

CO2

8.
The law of conservation of mass states that mass cannot be
a)
burned
b)
changed in form
c)
created or destroyed
d)
heated or cooled
9.

What quantity is the same among atoms of the same element?

a)

mass number

b)

atomic number

c)

number of neutrons

d)

number of nucleons

10.

An atom that has 8 protons and 10 neutrons is an isotope of the element

a)

nitrogen

b)

oxygen

c)

fluorine

d)

neon

11.

Which elements have the most similar chemical properties?

a)

Ge, As, and Sb

b)

Mn, Fe, and Co

c)

S, Se, and Te

d)

P, S, and Cl

12.

How would you classify NaCl?

a)

element

b)

compound

c)

heterogeneous mixture

d)

homogeneous mixture

13.
How does an S-2 ion differ from an electrically neutral sulfur atom?
a)
mass number
b)
atomic number
c)
nuclear charge
d)
number of electrons
14.
What is the correct chemical formula for sodium sulfate?
a)
NaSO4
b)
Na2SO4
c)
Na(SO4)2
d)
Na2(SO4)2
15.
Which element is located in Group 2 and Period 6 of the periodic table?
a)
Ba
b)
Mo
c)
Ra
d)
W
16.
What compound has the chemical formula MgI2?
a)
di-iodide magnesium
b)
iodide (II) magnesium
c)
magnesium (II) iodide
d)
magnesium iodide
17.
Which of the following particles has a positive one charge(+1) ?
a)
proton
b)
electron
c)
neutron
d)
beta particle
18.
An atom contains 70 protons, 70 electrons, and 99 neutrons. What is the mass number?
a)
239
b)
169
c)
140
d)
70
19.
Which of the following shows the correct number of atoms of each element in the formula Mg(NO3)2?
a)
Mg = 1, N = 2, O = 5
b)
Mg = 1, N = 1, O = 6
c)
Mg = 1, N = 2, O = 6
d)
Mg = 2, N = 2, O = 6
20.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
21.
What units can be used to express density?
a)
g/mL
b)
grams
c)
millimeters
d)
milliliters
22.
A bar of copper has a mass of 216g and a volume of 24cm3. What is the density of copper?  
a)
9g/cm3
b)
.11g/cm3
c)
5184g/cm3
d)
322mL
23.
What kind of properties can only be observed when a substance changes into a different substance?
a)
physical properties
b)
chemical properties
24.
Properties that can be observed without changing the identity of the substance.
a)
Physical
b)
Chemical
25.
Example for physical property
a)
melting point
b)
flammability
c)
reactivity 
d)
combustion
26.
Example for chemical property
a)
malleability
b)
texture
c)
combustion
d)
sour taste
27.
Isotopes of the same element have different ____________. 
a)
 numbers of protons  
b)
numbers of electrons
c)
 symbols 
d)
numbers of neutrons
28.
The atomic number of an atom or ion refers to the number of:
a)
neutrons
b)
protons
c)
nucleons
d)
electrons
29.
How many electrons does potassium K contain? (click to see image)
a)
19
b)
39
c)
20
d)
40
30.
Which particles are found in the nucleus
a)
electrons and protons
b)
neutrons and protons
c)
neutrons and electrons
d)
footballs and soccer balls
31.

If an atom has no charge, which of the following must be true?

a)

It has more neutrons than protons or electrons.

b)

There are only neutrons inside the atom.

c)

Its number of protons is equal to its number of electrons.

d)

The neutrons in the atom outnumber the electrons and protons.

32.

Which of these are an ion?

a)

3 protons, 3 neutrons, 3 electrons.

b)

8 protons, 8 neutrons, 8 electrons

c)

2 protons, 3 neutrons, 2 electrons

d)

6 protons, 6 neutrons, 7 electrons

33.
The red numbers in the image below represent ________
a)
subscripts
b)
coefficients
c)
I don't know, and don't want to try
d)
None of the answers are correct
34.
The blue numbers in the image below represent ________
a)
I don't know, and don't want to try
b)
coefficients
c)
subscripts
d)
none of the answers are correct
35.
What is the name of Groups 17?
a)
Alkali Metals
b)
Alkali Earth Metals
c)
Transition Metals
d)
Halogens
36.
Where are the metals on the Periodic Table?
a)
To the left
b)
In the upper right hand corner
c)
On the zigzag line
d)
At the bottom
37.
Where are the nonmetals on the Periodic Table?
a)
To the left
b)
In the upper right hand corner
c)
On the zigzag line
d)
At the bottom
38.

Which of the following is a chemical property?

a)

flexibility

b)

ability to rust

c)

color

d)

luster

39.

Which of the following is not a sign of a chemical reaction?

a)

Color change

b)

Formation of a solid (precipitate)

c)

Temperature Change

d)

Phase change (liquid becomes gas)

40.

The elements from this section of the periodic table all belong to the same

a)

Family

b)

Group

c)

Period

d)

Valence

41.

The element hydrogen has three naturally occurring isotopes. Which of the following describes the relationship of these isotopes?

a)

different mass, different atomic number

b)

same mass, different atomic number

c)

different mass, same atomic number

d)

same mass, same atomic number

42.
The substances listed on the right side of a chemical equation are the
a)
Yields
b)
Reactants
c)
Products
d)
Precipitates
43.
The substances listed on the left side of a chemical equation are the
a)
Products
b)
Coefficients
c)
Precipitates
d)
Reactants
44.
How many Oxygen (O) atoms are in 2C2HO8Cl2
a)
2
b)
16
c)
8
d)
5
45.

What does the number 3 represent in 4NH3?

a)

Subscript

b)

Superscript

c)

Coefficient

46.

How many Nitrogen (N) atoms are in 4NH3?

a)

4

b)

1

c)

3

d)

12

47.

How many total molecules is 4NH3?

a)

4

b)

1

c)

3

d)

12

48.

In the equation shown, what are the reactant(s)?

a)

N2 + H2

b)

NH3

49.

In the equation shown, what are the product(s)?

a)

N2 + H2

b)

NH3

50.

Which of the following is a chemical reaction?

a)

Sodium and chlorine atoms bond to form salt molecules.

b)

Ice melts to form water.

c)

Carbon dioxide freezes to form dry ice.

d)

Salt and water mix to form salt water.

51.
What is the CHEMICAL FORMULA for the molecular model pictured above?
a)
CO
b)
OC2
c)
C2O
d)
CO2
52.

You discovered in the lab that silicon is:

a)

metal

b)

metalloid

c)

nonmetal

53.

Sulfur is considered:

a)

malleable

b)

brittle

c)

ductile

d)

a good conductor

54.

Which of the metals was the most reactive?

a)

magnesium

b)

zinc

c)

copper

d)

aluminum

55.

Substances that can be hammered into thin sheets are:

a)

metals

b)

nonmetals

c)

both metals and nonmetals

56.
Which of the following is typically a good conductor of heat?
a)
Metal
b)
Nonmetal
c)
Metalloid
57.
How would this element be classified?
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Metamorphic
58.
A student is given a sample of an unknown substance. He is asked to determine if it is classified as a metal, a metalloid, or a nonmetal. He discovered that the unknown element conducted some heat and electricity, had a shiny luster, and broke easily. This element is most likely a 
a)
metal
b)
nonmetal
c)
metalloid
d)
cannot be determined
59.
All of the following are properties used to classify elements as metals, non-metals, and metalloids EXCEPT —
a)
texture
b)
conductivity
c)
luster
d)
malleability
60.

This element shares properties of both metals and nonmetals. What is it?

a)

Metal

b)

Metallic

c)

Metalloid

d)

Meticulous

61.
Some students conducted a laboratory investigation to learn more about the physical properties of different elements. They observed four samples and recorded their observations in the table . Based on these observations, which sample is most likely a nonmetal?
a)
Sample 1
b)
Sample 2
c)
Sample 3
d)
Sample 4
62.
The elements argon, krypton, and xenon are all non-metals. What property would these elements have in common?
a)
Good conductor of thermal energy
b)
Poor conductor of electricity
c)
Shiny, lustrous surface
d)
Soft and malleable
63.

Which two elements share common characteristics based on the periodic table?

a)

Sodium and Magnesium

b)

Chlorine and Sulfur

c)

Argon and Neon

d)

Calcium and Bromine

64.

Which elements would react similarly to Chlorine? (Cl)

a)

Oxygen (G)

b)

Fluorine (F)

c)

Neon (Ne)

d)

Bromine (Br)

65.

Which element would react similarly to Gold (Au)?

a)

Silver (Ag)

b)

Mercury (Hg)

c)

Iron (Fe)

66.

If the formula for potassium oxide is K2O, what is the correct formula for a compound containing cesium and sulfur?

a)

Cs2SO4

b)

CsS2

c)

Cs2S

d)

Cs2S2

67.

An ionic bond is the attraction between: (Select ALL that apply)

a)

oppositely charged ions

b)

similarly charged ions

c)

metals and nonmetals

d)

neutral atoms

e)

cations and anions

68.

Looking at the periodic table, when the alkali metals form an ion what charge do they have?

a)

1-

b)

1+

c)

2-

d)

2+

e)

3-

69.

Looking at the periodic table, when the halogens form an ion what charge do they have?

a)

1-

b)

1+

c)

2-

d)

2+

e)

3-

70.

What is responsible for bringing cations and anions together?

a)

the size of the ions

b)

the opposite charges are attracted to one another

c)

the similar charges are attracted to one another

d)

depends on what period they're in

71.

Which of the following is the correct formula for these two ions: Al+3 & S-2

a)

AlS3

b)

Al2S3

c)

Al3S2

d)

Al3S

72.
Which of the following is NOT a clue that a chemical change has occurred?
a)
change in color
b)
production of gas
c)
change in termperature
d)
change in shape
73.

Which compound is best represented by this particle diagram?

a)

NH3

b)

H2O

c)

CH4

d)

HCl

74.

Are molecules of two atoms of the same element. Elements found is nature this way are, H2, O2, N2, F2, Cl2, Br2 and I2.

a)

valance electrons

b)

atomic mass

c)

atomic weight

d)

diatomic molecules

75.

What are diatomic elements?

a)

Elements that form two-atom molecules when not combined in a compound.

b)

Two elements that combine with one atom from each element.

c)

Elements that are always in pairs no matter what.

76.
Na +  and  S -2
a)
Na2S
b)
NaS2
c)
Na2S2
d)
NaS
77.
What is the formula for the compound formed by magnesium ions and nitrogen ions?
a)
MgN
b)
Mg2N3
c)
Mg3N2
d)
MgN3
78.
In most cases, when naming you change the ending of the second element to ________.
a)
-ate.
b)
-ite.
c)
-ide.
d)
-ine.
79.
What is the name of C3Cl8 ?
a)
Carbon octachloride
b)
Tricarbon octachloride
c)
Carbon trichloride
d)
Octacarbon trichloride
80.
What is the name of Br6F10 ?
a)
Bromium fluoride
b)
Hexabromine fluoride
c)
Bromium decafluoride
d)
none of the above
81.
What is the OFFICIAL name for H2O
a)
Hydrogen Oxide
b)
Oxygen Dinitride
c)
Agua
d)
Dihydrogen Monoxide
82.
BrO3
a)
bromine oxide
b)
monobromine trioxide
c)
bromine trioxide
d)
bromine (III) oxide
83.
The name of P₄S₁₀ is
a)
phosphorous sulfide
b)
phosphorus sulfide
c)
tetraphosphorus decasulfide
d)
phosphorus (X) sulfide
84.

When you question, observe, explore, and explain the natural world, you are acting like a?

a)

experiment

b)

scientist

c)

dog trainer

d)

model

85.

When you infer, you use what you know and what you observe to draw a conclusion. What is this called?

a)

evidence

b)

inferences

c)

experiment

d)

climate

86.

When you ________, you use your senses to gather information about an object or event.

a)

evidence

b)

inferences

c)

variable

d)

observe

87.

In an __________, you change only one variable, measure or observe another variable, and control other variables so they stay the same.

a)

observe

b)

experiment

c)

inferences

d)

evidence

88.

Which of the following statements about a controlled experiment is true?

a)

All variables must be kept the same.

b)

You should only test one variable at a time.

c)

Controlled experiments must be completed within a lab.

d)

The whole purpose of experiments is to prove your hypothesis was right. We collect data to support our hypothesis.

89.

This variable is the one thing that changed on purpose...

a)

Dependent Variable

b)

Control

c)

Independent Variable

90.

What is the DEPENDENT variable (effect) in this experiment?


"Does eating breakfast improve test scores?"

a)

eating breakfast or not

b)

the grade you got on the test

c)

what time you get up in the morning

d)

how tasty the breakfast is

91.

You are testing how the amount you water a plant affects its growth. What would be the INDEPENDENT VARIABLE in this experiment.

a)

They type of pot you put the plants in.

b)

The amount you water each plant.

c)

The amount of sunlight the plants get.

d)

The amount the plant grows.

92.

Identify the dependent variable according to this graph.

a)

Seed Type

b)

Number of Bird Species

c)

Sunflower and Sorghum

d)

Sunflower

93.

What is 32 dg in grams?

a)

0.32 g

b)

3.2 g

c)

32 g

d)

320 g

94.

What is 1,600 mg in grams?

a)

1.6 g

b)

16 g

c)

160 g

d)

1,600 g

95.

Which of the following options is the base unit?

a)

kilometer

b)

centimeter

c)

meter

d)

millimeter

96.
Convert 300 meters to centimeters:
a)
3000 cm
b)
0.3 cm
c)
30,000 cm
d)
3 cn
97.
490,000 g =____ kg
a)
490
b)
49
c)
4,900
d)
0.49
98.

Determine the number of significant digits of 4.7500

a)

3

b)

4

c)

5

d)

6

99.

Determine the number of significant digits of 1000.

a)

1

b)

2

c)

3

d)

4

100.

5000.0

a)

1

b)

4

c)

5

d)

3

101.

Subtract and round to the appropriate number of significant digits. 65.76−11.365.76-11.3  

a)

54.46

b)

54.4

c)

54.5

d)

54

102.

Add and round to the appropriate number of significant digits. 40.6+30.46+1040.6+30.46+10  

a)

81.06

b)

81.1

c)

81

d)

81.2

103.

Multiply and round to the appropriate number of significant digits. 8.076⋅3.208.076\cdot3.20  

a)

26

b)

25.8432

c)

25.84

d)

25.8

104.

Determine the number of significant digits of 4.057

a)

3

b)

4

c)

5

d)

6

105.

Determine the number of significant digits of 0.008050

a)

2

b)

3

c)

7

d)

4

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