Free Printable Unit 3 Test Review Part 1

Worksheets

Unit 3 Test Review Part 1

Total questions: 28

Worksheet time: 37mins

Name

Class

Date

All ____________ are made up of two or more atoms bonded together.

atoms

molecules

electrons

elements

How many elements are represented in the compound?
Na₂CO₃

What is the formula for aluminum fluoride?

AlF

Al₂F₃

AlF₃

Al₃F₂

How do the following two elements bond together?
Al³⁺ O^2-

AlO

Al₂O₃

Al₃O₆

Al₃O₂

When metals bond with non-metals they form what type of bonds

covalent

ionic

cooperative

lewis

If my charge becomes 2+ what does that say about me?

I am stealing 2 electrons

I am losing 2 electrons

I am in period 2

I have an atomic # of 2

If I gain electrons I become

Positive because I've added to my atom

negative because I've added electrons

same because i'm balanced

equal because now I have electrons

Metals tend to

gain electrons

lose electrons

Wood that is burning in a brush pile has heat, and produces ashes.

Physical

Chemical

10.

Is freezing juice a physical or chemical change?

Physical Change

Chemical Change

11.

Why is this a physical change?

The shape of the clay has been changed.

The clay can be put back into a ball shape instead of a birthday cake.

The clays has not changed chemically.

All are true

12.

A physical change:

DOES result in a new substance.

DOES NOT result in a new substance.

13.

A student drops an antacid tablet into a liquid. How does the student know a chemical change occurred?

the solid tablet dissolves

a mixture is produced

a gas is produced (bubbles)

the solid tablet sinks

14.

Blue Color: Chemical or Physical Property

Chemical Property

Physical Property

15.

Flammability (burns): Chemical or Physical Property

Chemical Property

Physical Property

16.

Solubility (dissolves): Chemical or Physical Property

Chemical Property

Physical Property

17.

Which is NOT a physical property?

odor

reacts with acid

ability to conduct electric current

hardness

18.

Takes two small nuclei and combines them into a larger nucleus

fission

fusion

19.

The splitting of a nucleus into smaller nuclei is

fusion

fission

half-life

gamma radiation

20.

How do nuclear power-plants work?

Fusion

Half-life

Fission

Fusion or fission

21.

This is an example of...

Fission reaction

Fusion reaction

Decomposition reaction

Decay

22.

Where does fusion occur naturally?

Underwater

All around us

In the radioactive waste

On the sun

23.

Which atoms combine together during fusion reaction on the sun?

Helium and Hydrogen atoms

Hydrogen atoms

Hydrogen and Lithium atoms

Hydrogen and Carbon atoms

24.

A drug company is testing a new medicine. They give one group of test subjects the new medicine in a tablet. They give the other group an identical tablet with no medicine.

What is the best reason that one group gets a matching tablet with no medicine?

to find out how long it takes people to get well with no medicine

to find out whether people really get well or if they are just pretending

to be sure it is the medicine that makes people well and not anything else

to find out whether the new medicine makes people more sick than people who get no medicine

25.

Mr. McNiece wanted to see how different types of music affected students' pulse rates. She played different types of music: heavy metal, rap, R&B, alternative, pop, country, and classical music. Identify the independent variable.

classical music resulted in the highest pulse rate

high pulse rate

pulse rate

types of music

26.

Covalent bonds are between...

Metal and Non-metal

Non-metal and Non-metal

Metal and Metal

27.

How are covalent bonds formed?

Sharing of electrons

Transfer of electrons

28.

How are ionic bonds formed?

Transfer of electrons

Sharing of electrons

Reset

Unit 3 Test Review Part 1

Total questions: 28

Worksheet time: 37mins

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