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Worksheets

CUA 1 review

Total questions: 60

Worksheet time: 47mins

Name
Class
Date
1.

This picture represents which of the following?

a)

element

b)

compound

2.

This picture represents which of the following?

a)

element

b)

compound

3.

This picture represents which of the following?

a)

element

b)

compound

4.
What is the chemical symbol for Chlorine?
a)
Cl
b)
Ch
c)
Cr
d)
Ce
5.
Which of the following is a chemical compound?
a)
Co
b)
 CO2
c)
Mg
d)
Al
6.
What is the chemical symbol for Potassium?
a)
Po
b)
K
c)
H
d)
P
7.

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

a)

12

b)

Magnesium

c)

24.31

d)

Mg

8.

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.

9.

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

10.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
11.
Is water an element or a compound?
a)
Element
b)
Compound
12.
Is Iron (Fe) an element or a compound?
a)
Element
b)
Compound
13.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
14.
How many elements are represented in the compound?
Na2CO3
a)
1
b)
2
c)
3
d)
4
15.

Which of the following is a compound?

a)

Si

b)

CO2

c)

Cl

d)

He

e)

Ti

16.

Which of the following represents an element?

a)

H2O

b)

HCl

c)

NaCl

d)

Au

e)

CaCO3

17.

Which of the following is an element?

a)

Gold

b)

Air

c)

Water

d)

Carbon Dioxide

e)

Nitrous Oxide

18.

How many elements are there in CuSO4?

a)

1

b)

2

c)

3

d)

4

e)

5

19.

Which of the following is made up of two or more types of atoms chemically combined together?

a)
Elements
b)
Compounds
c)
Mixtures
20.

Which of the following is made up of only one type of atom?

a)
Element
b)
Compund
c)
Mixture
21.
Elements can be broken down into simpler substances. 
a)
false 
b)
true 
22.

Diagram A is an example of a(n)

a)

element

b)

compound

c)

mixture

23.

Diagram B is an example of a(n)

a)

element

b)

compound

c)

mixture

24.

Diagram C is an example of a(n)

a)

element

b)

compound

c)

mixture

25.

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

26.

__ is a pure substance containing two or more kinds of atoms.

a)

Element

b)

compound

c)

mixture

d)

solution

27.

One group is typically described as containing materials that are exvellent conductors of electricity, ductile and lustrous. Which of the following groups can be classified by thess characteristics?

a)

metals

b)

nonmetals

c)

elements

d)

compounds

28.

An element is a ___ that cannot be separated into simpler substances by physical or chemical means.

a)

pure substance

b)

mixture

c)

solution

d)

compound

29.
What gas makes up most of our atmosphere?
a)
hydrogen
b)
nitrogen
c)
oxygen
d)
helium
30.

hydro means

a)

life

b)

water

c)

ground

d)

sphere

31.

atmo means

a)

ground

b)

water

c)

life

d)

air

32.

The part of Earth that is made up of all living things

a)

biosphere

b)

hemisphere

c)

geosphere

d)

hydrosphere

33.

We can find the oceans and all bodies of water in the ____.

a)

geosphere

b)

hydrosphere

c)

atmosphere

d)

biosphere

34.

The system that contains all living things on Earth.

a)

Biosphere

b)

Atmoshpere

c)

Hydrosphere

d)

Geosphere

35.
Our _________ is the layer of gases that surrounds our planet.
a)
ocean
b)
weather
c)
atmosphere
d)
ozone
36.

Neon is colorless, a poor conductor of heat and is not able to be stretched. How would it be classified?

a)

Nonmetal

b)

Metalloid

c)

Metal

d)

None of the above

37.

Manganese is shiny, conducts heat and electricity, and can be hammered into thin sheets. What is is?

a)

Nonmetal

b)

Metal

c)

Metalloid

d)

None of the above

38.

What properites do nonmetals have in common?

a)

Poor conductor of electricity

b)

Good conductor of thermal energy

c)

Soft and Malleable

d)

Shiny, lustrous surface

39.

This word is used to describe a substance that breaks apart easily and is weak and fragile

a)

Conductivity

b)

Ductile

c)

Malleable

d)

Brittle

40.

Metals are...

a)

dull, brittle, insulators.

b)

shiny or dull, brittle, semiconductor.

c)

shiny, malleable, conductors.

d)

shiny, dull, insulator.

41.

Silicon has a dull, metallic luster, conducts heat well, and is brittle. What is it?

a)

Nonmetal

b)

Metal

c)

Metalloid

d)

None of the above

42.

Where are the nonmetals located on the Periodic Table?

a)

On the right

b)

On the left

c)

On the stairstep

43.

Where are the metalloids located on the Periodic Table?

a)

On the right

b)

On the left

c)

On the stairsteps

44.

Use your Periodic Table to help you. Boron would be classified as a...

a)

Metal

b)

Nonmetal

c)

Metalloid

45.
a)

Metal

b)

Nonmetal

c)

Metalloid

46.
a)

Metal

b)

Nonmetal

c)

Metalloid

47.
a)

Metal

b)

Nonmetal

c)

Metalloid

48.
a)

Metal

b)

Nonmetal

c)

Metalloid

49.
a)

Metal

b)

Nonmetal

c)

Metalloid

50.
a)

Metal

b)

Nonmetal

c)

Metalloid

51.
Which element is a metalloid?
a)
Titanium
b)
Selenium
c)
Potassium
d)
Polonium
52.
Anytime you see the word SEMICONDUCTOR - what substance do you have?
a)
Metal
b)
Nonmetal
c)
Metalloid
53.

What are the physical properties of metals, nonmetals, and metalloids?

a)

luster, conductivity, and malleability

b)

shine, conductivity, and luster

c)

conductivity, metal, and iron

54.

Which describes malleability?

a)

cannot be beaten into a shape

b)

can be beaten into a shape

c)

shiny

d)

dull

55.

I am shiny and a good conductor of heat.

a)

metals

b)

nonmetals

c)

metalloids

56.

I am dull... Which element am I?

a)

metals

b)

nonmetals

c)

metalloids

57.

I am a bad conductor of electricity and heat.

a)

metals

b)

nonmetals

c)

metalloids

58.

I am malleable, but do not have a shiny luster

a)

metals

b)

nonmetals

c)

metalloids

59.

I am a good conductor of electricity and am malleable.

a)

metals

b)

nonmetals

c)

metalloids

60.

I can be found on the stair-step line on The Periodic Table of Elements.

a)

metals

b)

nonmetals

c)

metalloids

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