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Unit 1A

Total questions: 93

Worksheet time: 1hrs 3mins

Name
Class
Date
1.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
2.
Is water an element or a compound?
a)
Element
b)
Compound
3.
A compound consists of two or more elements bound together.
a)
True
b)
False
4.
Is Iron (Fe) an element or a compound?
a)
Element
b)
Compound
5.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
6.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
7.
What cannot be broken down into other substances?
a)
Compound
b)
Mixture
c)
Solids
d)
Element
8.
What is made up two or more elements that are chemically combined?
a)
Element
b)
Mixture
c)
Compound
d)
Solids
9.
Which of the following an element?
a)
Carbonic Acid
b)
Copper
c)
Iron and Copper
d)
Water
10.
a)
1
b)
2
c)
3
d)
4
11.
a)
1
b)
2
c)
3
d)
4
12.
How many elements are represented in the compound?
Na2CO3
a)
1
b)
2
c)
3
d)
4
13.

Both elements and compounds are pure substances.

a)

Agree

b)

Disagree

14.

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

a)

Agree

b)

Disagree

15.

Two or more different elements chemically combine to form compounds.

a)

Agree

b)

Disagree

16.

Every compound has a chemical formula.

a)

Agree

b)

Disagree

17.

Carbon, Ar, and Ne are examples of elements.

a)

Agree

b)

Disagree

18.

NaCl is an example of a compound that contains helium and oxygen atoms.

a)

Agree

b)

Disagree

19.

Represented by an unique chemical symbol

a)

Elements

b)

Compounds

c)

Both

20.

Can be broken down into a simpler substance

a)

Elements

b)

Compounds

c)

Both

21.

Located on the Periodic Table

a)

Elements

b)

Compounds

c)

Both

22.

Composed of at least two different elements

a)

Elements

b)

Compounds

c)

Both

23.

Found on Earth

a)

Elements

b)

Compounds

c)

Both

24.

Cannot be broken down into a simpler substance

a)

Elements

b)

Compounds

c)

Both

25.

Have different properties than the substances from which they are formed

a)

Elements

b)

Compounds

c)

Both

26.

Examples of Matter

a)

Elements

b)

Compounds

c)

Both

27.

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

28.

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

29.

Which one is a compound?

a)

Ni

b)

F

c)

Re

d)

NaCl

30.

How many different elements are in the compound?

a)

12

b)

3

c)

24

d)

6

31.

Which of the following is a compound:

a)

Carbon

b)

Water

c)

Oxygen

d)

Chlorine

32.

"Na" is the element's

a)

Chemical Formula

b)

Compound

c)

Name

d)

Chemical Symbol

33.

How many elements are in this compound?

a)

13

b)

6

c)

4

d)

3

34.

The place where known elements are represented...

a)

The Period Table

b)

Compounds

c)

Chemical Formula

d)

Graph

35.

One way to tell how many elements a compound has is to..

a)

the the square root of the total number of lettersThis is a wrong answer the the square root of the total number of letters

b)

count the capital letters

c)

add up all the numbers

d)

count the letters

36.

A substance that consists of 2 or more different elements is a

a)

element

b)

data table

c)

symbol

d)

compound

37.
Contains only one kind of atom.
a)
Element
b)
Compund
c)
Mixture
38.
Contains two or more atoms combined
a)
Elements
b)
Compounds
c)
Mixtures
39.
Elements can be broken down into simpler substances. 
a)
false 
b)
true 
c)
sometimes 
40.
Examples are milk and gasoline.
a)
elements
b)
mixtures
c)
compounds
41.

Examples are diamonds (C) and Uranium (U)

a)

elements

b)

mixtures

c)

compounds

42.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
43.
What is H2SO4 
 made up of?
a)
2 hydrogen, 1 sulfur, 4 oxygen
b)
1 hydrogen, 2 sulfur, 4 oxygen
c)
2 hydrogen & 4 sodium
d)
1 hydrogen & 6 sodium
44.
An element is made up of only one kind of _____.
a)
isotope
b)
plastic
c)
atom
d)
metal
45.
What is salad?
a)
element
b)
compound
c)
mixture
46.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
47.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements and Compounds
d)
Mixture of Elements
48.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements & Compounds
d)
Mixture of Compounds
49.
Classify the picture with the correct label.
a)
Compounds
b)
Mixture of Elements
c)
Mixture of Compounds
d)
Mixture of Elements & Compounds
50.
Classify the picture with the correct label.
a)
Mixture of Elements
b)
Compound
c)
Mixture of Compounds
d)
Element
51.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Compounds
d)
Mixture of Elements
52.
Classify the picture with the correct label.
a)
Mixture of Compounds
b)
Mixture of Elements
c)
Compound
d)
Mixture of Elements & Compounds
53.
These can only be separated by chemical means. 
a)
element 
b)
compound 
c)
mixture 
d)
stuff 
54.
These contain only one kind of atom. 
a)
element 
b)
compound 
c)
mixture 
d)
water 
55.
The air is a _________. 
a)
element 
b)
mixture 
c)
compound 
d)
energy 
56.
Water is a ___________. 
a)
element 
b)
mixture 
c)
compound 
57.
Elements can be broken down into simpler substances. 
a)
false 
b)
true 
c)
sometimes 
58.
These must be separated chemically. 
a)
elements 
b)
compounds 
c)
mixtures 
d)
homogeneous mixtures 
59.
These are mixtures that are the same throughout. 
a)
homogeneous mixtures 
b)
heterogeneous mixtures 
c)
mixed mixtures 
60.
These are mixtures that are not the same throughout. 
a)
homogeneous mixtures 
b)
heterogeneous mixtures 
c)
solutions 
d)
water 
61.
A compound is made of ________ atoms. 
a)
big 
b)
similar 
c)
different 
62.
A molecule can be made of the same kind of atoms. 
a)
true
b)
false 
c)
Say What??!!!
d)
Dude!! Sweet!!
63.
Concrete is a ______.
a)
mixture 
b)
compound 
c)
element 
64.
Milk is a ________
a)
compound 
b)
mixture 
c)
element 
65.
Salt is a _________. 
a)
compound 
b)
element 
c)
mixture 
66.
This can be separated physically. 
a)
mixture 
b)
element 
c)
compound 
67.
Sand at the beach is a _______. 
a)
homogeneous mixture 
b)
heterogeneous mixture 
c)
compound 
d)
element 
68.
Carbon Dioxide is a ______ 
a)
compound 
b)
element 
c)
mixtures 
d)
Battle of Bunker Hill 
69.

Carbon is a(n) ______

a)

compound

b)

element

c)

mixture

70.

What elements are contained in the compound LiBr?

a)

Lithium, Iodine, and Boron

b)

Lithium and Bromine

c)

Lithium and Carbon

d)

It is a compound, so it does not contain elements

71.

What goes in the top box of our flow chart?

a)

Elements

b)

Solid, Liquid, Gas

c)

Pure Substances

d)

Matter

72.

What are the top 3 elements in all organic material?

a)

Oxygen and Carbon only

b)

All the elements are in Living Things

c)

Other, Nitrogen, Oxygen

d)

Hydrogen, Carbon, Oxygen

73.

A compound is everything except...

a)

2+ elements chemically bonded together

b)

H20

c)

Can be broken apart and remain the same substance

d)

cannot be found on the PTOE

74.

This picture represents which of the following?

a)

element

b)

compound

75.

This picture represents which of the following?

a)

element

b)

compound

76.

This picture represents which of the following?

a)

element

b)

compound

77.
What is the chemical symbol for Chlorine?
a)
Cl
b)
Ch
c)
Cr
d)
Ce
78.
Which of the following is a chemical compound?
a)
Co
b)
 CO2
c)
Mg
d)
Al
79.
What is the chemical symbol for Potassium?
a)
Po
b)
K
c)
H
d)
P
80.

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

a)

12

b)

Magnesium

c)

24.31

d)

Mg

81.

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.

82.

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

83.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
84.
Is water an element or a compound?
a)
Element
b)
Compound
85.
Is Iron (Fe) an element or a compound?
a)
Element
b)
Compound
86.

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

a)

Agree

b)

Disagree

87.

Located on the Periodic Table

a)

Elements

b)

Compounds

c)

Both

88.

Which of the following represents an element?

a)

H2O

b)

HCl

c)

NaCl

d)

Au

e)

CaCO3

89.

Salt water boils and the water (H2O) completely evaporates, salt (NaCl) is left at the bottom of the beaker. Which of the following is NOT left in the beaker?

a)

Compound

b)

Mixture

c)

Salt

d)

NaCl

e)

The other component of sea water that is not H2O.

90.

What is NOT made up of two or more elements that are chemically combined?

a)

Element

b)

Compound

c)

Mixture

d)

Solid

e)

Liquid

91.

Which of the following is an element?

a)

Gold

b)

Air

c)

Water

d)

Carbon Dioxide

e)

Nitrous Oxide

92.

How many elements are there in CuSO4?

a)

1

b)

2

c)

3

d)

4

e)

5

93.

Water is made up of hydrogen and oxygen, two elements that were chemically combined. This makes water a(n)

a)

atom

b)

compound

c)

element

d)

mixture

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