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Chemistry Exam (Jonette)

Total questions: 90

Worksheet time: 2hrs 34mins

Name
Class
Date
1.

Which state of matter does this picture show?

a)

Solid

b)

Liquid

c)

Gas

2.

What state of matter does this picture show?

a)

Solid

b)

Liquid

c)

Gas

3.

Which state of matter does this picture show?

a)

Solid

b)

Liquid

c)

Gas

4.

What is the best definition of temperature?

a)

How hot or cold something is

b)

A measure of how fast the molecules are moving in a substance

c)

How hot or cold something feels to a person

5.

As temperature increases, what happens to particles?

a)

They speed up

b)

They slow down

6.

As temperature decreases, what happens to particles?

a)

They speed up

b)

They slow down

7.

What is happening in this picture of ice melting?

a)

Molecules are speeding up

b)

Molecules are slowing down

8.

What is happening in this picture of water boiling?

a)

Molecules are speeding up

b)

Molecules are slowing down

9.

What is happening in this picture of this lake freezing?

a)

Molecules are speeding up

b)

Molecules are slowing down

10.

What is happening to the outside of this water bottle?

a)

Molecules are speeding up

b)

Molecules are slowing down

11.
The positive particles of an atom are 
a)
electrons 
b)
positrons 
c)
neutrons 
d)
protons 
12.
all matter is made of what 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
13.
the central region of an atom where its neutrons and protons are is its 
a)
nucleus 
b)
electron cloud
c)
core 
d)
center 
14.
an atom with atomic number 6 would have how many protons 
a)
6
b)
12
c)
3
d)
cannot be determined 
15.
Particles in an atom that are neutral and have no charge are 
a)
negatrons 
b)
electrons 
c)
neutrons 
d)
protons 
16.
An atoms overall charge is 
a)
positive 
b)
depends on its mood 
c)
neutral 
d)
negative 
17.
True or False? Neutrons have a negative charge
a)
True
b)
False
18.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
19.
An atom's mass number equals the number of...
a)
protons plus the number of electrons
b)
protons plus the number of neutrons
c)
protons
d)
neutrons
20.
Which statement about the atomic nucleus is correct?
a)
The nucleus is made of protons and neutrons and has a negative charge
b)
The nucleus is made of protons and neutrons and has a positive charge
c)
The nucleus is made of electrons and has a positive charge
d)
The nucleus is made of electrons and has a negative charge
21.
Which statement best describes an electron?
a)
Smaller mass than a proton and a negative charge
b)
Smaller mass than a proton and a positive charge
c)
Greater mass than a proton and a negative charge
d)
Greater mass than a proton and a positive charge
22.
A particle that moves around the nucleus is a(n)...
a)
Proton
b)
Neutron
c)
Electron
d)
Quark
23.
Atoms have no electric charge because they...
a)
have an equal number of charged and non charged particles
b)
have neutrons in their nuclei
c)
have an equal number of electrons and protons
d)
have an equal number of neutrons and protons
24.
Which statement best describes an electron?
a)
Smaller mass than a proton and a negative charge
b)
Smaller mass than a proton and a positive charge
c)
Greater mass than a proton and a negative charge
d)
Greater mass than a proton and a positive charge
25.
Most of the mass in an atom is concentrated in the...
a)
electrons
b)
nucleus
c)
protons
d)
empty space
26.
What does the nucleus consist of?
a)
Protons + Electrons
b)
Neutrons + Electrons
c)
Atoms
d)
Protons + Neutrons
27.
What is the smallest?
a)
worm
b)
molecule
c)
galaxy
d)
atom
28.
Electrons are___________
a)
Extremely small even in comparison to protons.
b)
part of the nuclues.
c)
Super Positive, like cheerleaders!
d)
very large
29.
What charge does an Electron have?
a)
Negative
b)
Positive
c)
Neutral
d)
Complicated
30.
What charge does a Proton have?
a)
Negative
b)
Positive
c)
Neutral
d)
Contrated
31.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
32.
How many elements are represented in the compound?
Na2CO3
a)
1
b)
2
c)
3
d)
4
33.
Is water an element or a compound?
a)
Element
b)
Compound
34.
A compound consists of two or more elements bound together.
a)
True
b)
False
35.
Is Iron (Fe) an element or a compound?
a)
Element
b)
Compound
36.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
37.
These contain only one kind of atom. 
a)
element 
b)
compound 
c)
mixture 
d)
water 
38.
Carbon Dioxide is a ______ 
a)
compound 
b)
element 
c)
mixtures 
d)
Battle of Bunker Hill 
39.

What is the difference between Co and CO?

a)

CO is an element but Co is a compound

b)

Nothing is different. They are the same thing.

c)

CO is two elements and Co is only one element

d)

Co is not a pure substance

40.

Which is the best description of an element?

a)

A substance that cannot be broken down into simpler substances

b)

A collection of atoms that have different abilities when joined together

c)

A man-made mineral

d)

A mixture of substances

41.

How many elements are in this compound?

a)

13

b)

6

c)

4

d)

3

42.

The chemical symbol of an element always matches the element's name.

a)

Agree

b)

Disagree

43.

Represented by an unique chemical symbol

a)

Elements

b)

Compounds

c)

Both

44.

Located on the Periodic Table

a)

Elements

b)

Compounds

c)

Both

45.

Cannot be broken down into a simpler substance

a)

Elements

b)

Compounds

c)

Both

46.

Both elements and compounds are pure substances.

a)

Agree

b)

Disagree

47.

Carbon is considered an element, while carbon dioxide is considered a compound. This is because carbon dioxide is ---

a)

a gas at room temperature.

b)

made of two different elements.

c)

given off by green plants.

d)

useful to human beings

48.

A section of the Periodic Table is shown. What is the Chemical Symbol for Magnesium?

a)

12

b)

Magnesium

c)

24.31

d)

Mg

49.

Compounds are different than elements because compounds are ---

a)

combinations of two or more elements.

b)

not able to be broken down into parts.

c)

made from the same type of atoms.

d)

a pure substance; elements are not.

50.

The smallest particle of any particular type of matter is known by which of the following terms?

a)

Element

b)

Chemical

c)

Atom

d)

Compound

51.

In an element box, the number at top is the

a)

atomic number

b)

atomic name

c)

atomic mass

d)

atomic symbol

52.

Rows in the Periodic Table are called

a)

Periods

b)

Groups/Families

c)

Cousins

d)

Metals

53.

___________________ are positively charged particles located in the nucleus of an atom.

a)

Electrons

b)

Neutrons

c)

Protons

d)

Isotopes

54.

Isotopes are atoms of the same element with different numbers of

a)

electrons

b)

neutrons

c)

protons

d)

nuclei

55.

Elements on the Periodic Table are ordered according to their

a)

element name

b)

element symbol

c)

number of atoms

d)

atomic number

56.

Column in the Periodic Table are called

a)

Periods

b)

Groups/Families

c)

Cousins

d)

Metals

57.

The elements that touch the zigzag line on the Periodic Table are called

a)

metals

b)

nonmetals

c)

metalloids

d)

gasses

58.

What do atoms of the same periodic group have in common?

a)

They have the same atomic number.

b)

They have the same chemical symbols.

c)

The have similar chemical properties.

d)

They have the same atomic mass.

59.

A scientist creates a hypothesis, but the data she collects fail to support that hypothesis. The scientist should then

a)

change the data to support the hypothesis.

b)

change the hypothesis to match the results.

c)

forget the whole idea and walk away.

d)

use the data to develop and test a new hypothesis.

60.

Protons have a ____________ charge, neutrons have a ____________ charge, and electrons have a ____________ charge.

a)

positive; negative, neutral

b)

positive, neutral, negative

c)

neutral, negative, positive

d)

negative, neutral, positive

61.

The chemical symbol in this element box is

a)

26

b)

Fe

c)

Iron

d)

55.845

62.

The variable that is changed in an experiment is the

a)

independent variable.

b)

the dependent variable.

c)

the controlled variable.

d)

the data variable

63.

The three kinds of elements are

a)

metals, nonmetals, and liquid metals

b)

metals, nonmetals, and metalloids

c)

metals, solids, and liquids

d)

metalloids, asteroids, and nonmetals

64.

The number of neutrons in an atom can be found by

a)

adding the number of neutrons and protons together.

b)

adding the atomic mass and the atomic number.

c)

subtratcting the atomic number from the atomic mass.

d)

subtracting the atomic mass from the atomic number.

65.

The nucleus of an atom is located in its

a)

electron cloud

b)

center

c)

proton

d)

backpack

66.

The smallest particle of an element that has the same chemical properties of the element is

a)

a molecule of that element.

b)

an atom of that element.

c)

a proton of that element.

d)

the nucleus of the element.

67.

The history of the Atomic Theory involves many changes from its early form. Theories change because

a)

people decide to no longer agree with them.

b)

all theories must be changed after a certain time.

c)

new evidence is found that allows the theory to be changed.

d)

when scientists die, their theories are always changed.

68.

Models are used to study atoms because atoms are very

a)

dangerous

b)

sneaky

c)

rare

d)

small

69.

The Periodic Table of elements is arranged according to an element's

a)

color

b)

state of matter

c)

place in the alphabet

d)

properties

70.

All matter is made of

a)

electrons

b)

protons

c)

neutrons

d)

atoms

71.
Cations are _______ that form ____________ ions and __________ electrons.
a)
nonmetals, positive, lose
b)
nonmetals, negative, gain
c)
metals, positive, gain
d)
metals, positive, lose
72.
Anions are _______ that form ____________ ions and __________ electrons.
a)
nonmetals, positive, lose
b)
nonmetals, negative, gain
c)
metals, positive, gain
d)
metals, positive, lose
73.
Where are metals located on the periodic table?
a)
Blue
b)
Green
c)
Red
74.
Where are the nonmetals located on the periodic table? 
a)
Blue
b)
Red
c)
Green
75.
What is the charge of an atom that has lost one electron?
a)
-1
b)
-2
c)
+1
d)
+2
76.
What is the charge of an atom that has gained one electron?
a)
-1
b)
-2
c)
+1
d)
+2
77.

Why are ions formed?

a)

To make our lives difficult

b)

Because atoms want to be stable

c)

Because atoms have the same number of protons and electrons

d)

Because atoms gained neutrons

78.

Cations are...

a)

Positive

b)

Negative

c)

Neutral

79.

Anions are...

a)

Positive

b)

Negative

c)

Neutral

80.

Which particles change the charge in atoms when ions are formed?

a)

Protons

b)

Electrons

c)

Neutrons

81.

Nonmetals are

a)

usually cations

b)

usually anions

82.

Metals are:

a)

Usually cations

b)

Usually anions

83.

When an atom loses a valence electron, it becomes a(n) _____________ ion.

a)

positive

b)

negative

c)

neutral

84.

When an atom gains a valence electron, it becomes a(n) _____________ ion.

a)

positive

b)

negative

c)

neutral

85.

Anions are

a)

Negative ions

b)

Neutral ions

c)

Positive ions

86.

Ionic bonds form between two ions that have

a)

negative charges

b)

positive charges

c)

opposite charges

87.

An atom becomes _________ when it gains electrons.

a)

Positive

b)

Negative

c)

Neutral

88.

An atom becomes _______ when it loses electrons.

a)

Positive

b)

Negative

c)

Neutral

89.

Cations are

a)

negative ions

b)

neutral electrons

c)

positive ions

90.

Cations are _________________ and anions are _______________

a)

metals, nonmetals

b)

nonmetals, metals

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