Elements vs Compounds
Mixtures
States of Matter
Properties and Change
Wildcard
100

Is Na (sodium) an element or compound?

Element

100

Is salt water a pure substance, or a mixture?

Mixture

100

What are the 4 states of matter?

Solid, Liquid, Gas, Plasma

100

True or False: A physical change affects the chemical identity of a substance?

False

100

Is volume an intensive or extensive property?

Extensive

200

Is water an element or compound?

Compound

200
Is steel a homogeneous or heterogeneous mixture?

Homogeneous mixture

200

What is true about the volume of a gas?

It is indefinite.

200

What type of property is flammability?

Chemical

200

What is on the right side of the arrow of a chemical reaction?

A + B -> C

Products

300

How many elements are on the periodic table?

118

300
True or False: Substances in a mixture maintain their original properties.

True

300

What happens to energy as you go from 

solid -> liquid -> gas?  

Increases

300

True or False: Intensive properties are useful for identifying substances.

True

300

Endothermic means your system is doing what?

Absorbing Energy

400

Which of the following is 3*CH4O?

A compound

Molecules of an element

Molecules of a compound

Molecules of a compound
400

Which separation method uses various boiling points to separate liquids? 

Distillation

400

What happens to the distance between atoms as you go from liquid -> solid?

Decreases

400
An extensive property is a property that depends on what?

The amount of material

400

All physical AND chemical changes involve a loss or gain of what?

Energy

500

What happens to the properties of elements when they combine to form a compound?

They form new properties

500

Chromatography separates liquids based on what?

Solubility

500

What is the difference between the volume and shape of a gas and a plasma?

There is no difference.

500

A color change observed when combining two substances is an example of a _____ property undergoing a ______ change.

Physical, Chemical

500

When burning a candle and watching the wax melt, what type of reaction is it if the candle is my system. 

Endothermic