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Chemistry Test

Total questions: 66

Worksheet time: 39mins

Name
Class
Date
1.

How many different elements are in the compound CH4?

a)

3

b)

2

c)

1

d)

4

2.

What element is Sn the symbol for?

a)

Zinc

b)

Selenium

c)

Tin

d)

Silicon

3.

The temperature at which a liquid turns into a solid is called its -

a)

Freezing point

b)

melting point

c)

Boiling point

4.

What is the density of an object with a mass of 20 grams and a volume of 5 ml?

a)

0.25 g/ml

b)

15 g/ml

c)

4 g/ml

d)

100 g/ml

5.

Metalloids can be found along the stair-step line on the periodic table.

a)

False

b)

True

6.

C6H12O6 is an example of a(n) -

a)

element

b)

compound

7.

A pure substance made up of only one type of atom is called a(n) -

a)

molecule

b)

element

c)

compound

8.

Melting ice, cutting paper, and dissolving sugar are all examples of -

a)

physical changes

b)

physical properties

c)

chemical properties

d)

chemical changes

9.

Elements to the right of the stair-step line are -

a)

metals

b)

metalloids

c)

nonmetals

10.

Dull, poor conductivity, brittle, and low density are all properties of -

a)

metals

b)

nonmetals

c)

metalloids

11.

Elements are organized on the periodic table according to their -

a)

size

b)

name

c)

color

12.

On the periodic table, groups/families share similar properties.

a)

True

b)

False

13.

Malleability, luster, high conductivity, and high melting point are properties of -

a)

metals

b)

nonmetals

c)

metalloids

14.

Baking a cake, milk souring, wood burning, and metal rusting are all examples of -

a)

chemical properties

b)

chemical changes

c)

physical changes

d)

physical properties

15.

A substance composed of two or more different elements that are chemically combined.

a)

element

b)

molecule

c)

compound

16.

How many different elements are present in the compound H2SO4?

a)

2

b)

1

c)

3

d)

6

17.

Mia wants to know how often a plant needs to be watered to grow. What is her independent variable?

a)

height it grows

b)

how often she waters the plant

c)

how much sunlight it gets

18.

What don't you do to the control in an experiment?

a)

add the dependent variable

b)

add the independent variable

c)

add more of both variables

19.

Who knew where the elements fit on the Periodic Table in 1869?

a)

Albert Einstein

b)

Henry Moseley

c)

Dmitri Mendeleev

20.

In the lab experiment, the students noticed a 20 degree increase in temperature. What chemical change took place?

a)

Endothermic

b)

Exothermic

c)

Precipitate

21.

ability to be rolled or flattened

a)

malleable

b)

hardness

c)

mixture

d)

substance

22.
The density of water is 1.0 g. An object that has a density less than the density of water will float. Which of the following materials will float in water?
a)
gold: density of 19.3 g
b)
corn oil: density of 0.9 g
c)
aluminum: density of 2.7 g
d)
steel: density of 7.8 g
23.
Something that takes up space and has mass.
a)
volume
b)
matter
c)
mass
d)
density
24.
True or False
The properties of a compound are the same as the properties of the elements making up the compound.
a)
True
b)
False
25.
Water freezing
a)
Chemical Change
b)
Physical Change
26.

Which element is represented by the symbol Cu?

a)

copper

b)

calcium

c)

chromium

d)

chlorine

27.

Which observation is NOT a sign of a chemical reaction?

a)

fizzing

b)

temperature change

c)

dissolving

d)

colour change

28.

Which is a chemical reaction

a)

A banana ripped

b)

ice melting

c)

pencil breaking

d)

paper burning

29.
What happens in ALL chemical changes?
a)
Change in state of matter
b)
A new substance is formed
c)
Bubbles are produced
d)
An explosion
30.
Is wood burning a physical or chemical change?
a)
Physical 
b)
Chemical
31.
Is milk going sour a physical or chemical change?
a)
Physical 
b)
Chemical
32.
Is mold growing on cheese a physical or chemical change?
a)
Physical 
b)
Chemical
33.
Is making orange juice a physical or chemical change?
a)
Physical 
b)
Chemical
34.
Is sharpening a pencil a physical or chemical change?
a)
Physical 
b)
Chemical
35.
Dilcia wants to know how drinking milk affects how tall a Monica grows. Which is the independent variable?
a)
Monica's growth
b)
drinking milk
36.
What would the INDEPENDENT variable be in an experiment testing which types of paper airplane goes furthest?
a)
the paper used
b)
the type of paper airplane
c)
the distance of each plane's flight
d)
how hard the plane is thrown
37.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
38.
Which lab tool might you use to measure the volume of a liquid?
a)
electric scale
b)
bunsen burner
c)
test tube
d)
graduated cylinder
39.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
40.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
41.
Which box has a higher density?  
a)
Box A
b)
Box B
c)
cannot be determined
d)
they are the same
42.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup 
d)
plastic bottle
43.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1, 
d)
4, 3, 1, 2
44.
An object with which of the following densities will float on water?
a)
0.7 g/cm3
b)
1.2 g/cm3
c)
3.5 g/cm3
d)
11.4 g/cm3
45.
What do we know about the density of lamp oil, rubbing alcohol, and vegetable oil?  
a)
The density is greater than 1.0 g/mL
b)
The density is less than 1.0 g/mL
c)
The density is equal to 1.0 g/mL
d)
The density can not be determined
46.
What is the density of a cube with a mass of 6 grams and a volume of 2 cm3 ?
a)
12 g/cm3
b)
3 g/cm3
c)
An Elephant
d)
3 cm3/g
47.
Which of these grouping of elements could have the characteristic of luster (shiny)?
a)
Metal
b)
Nonmetal
c)
metalloids
d)
Both metals and metalloids
48.
Which of these grouping of elements could have the characteristic of brittle?
a)
Metal
b)
Nonmetal
49.
Which of the following is a good conductor of heat?
a)
Metal
b)
Nonmetal
c)
Metalloid
50.
Which of the following is a good conductor of heat?
a)
Metal
b)
Nonmetal
c)
Metalloid
51.
Which of these is a property of metals?
a)
It's malleable
b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
52.

One property of nonmetals is that it they are good conductors of electricity.

a)

true

b)

false

53.
All of the following would classify an element as a metal except?
a)
Dull
b)
Luster
c)
Malleable
d)
Hard
54.

Some characteristics of metals are that they are malleable and ductile.

a)

TRUE

b)

FALSE

55.
Metalloids are weak conductors of heat and electricity. 
a)
TRUE
b)
FALSE
56.
Which of the following properties refers to the ability of metals to be drawn into wires?
a)
A. malleability 
b)
B. compressibility
c)
C. ductility
d)
D. luster
57.
If a substance breaks easily, it is said to be ________________.
a)
A. Magnetic
b)
B. Brittle
c)
C. Conductive
d)
D. Ductile
58.
Metals appear to the _______ of the dark ziz-zag line on the periodic table. 
a)
A. right
b)
B. middle
c)
C. left
59.
Nonmetals occur to the ________of the dark zig-zag on the periodic table. 
a)
A. right
b)
B. middle
c)
C. left
60.
What does malleable mean?
a)
able to bend
b)
will break easily
c)
can be used for wire
d)
is shiny
61.
What does ductile mean?
a)
electricity flows easily
b)
quacks like a duck
c)
can be drawn into a wire
d)
able to bend
62.
How would this element be classified?
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Metamorphic
63.
A pure substance that cannot be broken down into anything simpler is a/an-
a)
atom
b)
element
c)
cell
d)
compound
64.
Which of the following tables correctly lists the physical properties of metals and nonmetals?
a)
A
b)
B
c)
C
d)
D
65.
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
66.
´Elizabeth was examining elements and their physical properties. She described an element is her science journal as having no shine, an insulator, and  very brittle. What would this element be a metal, nonmetal, or metalloid?
a)
metal 
b)
nonmetal 
c)
metalloid

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