Unit 2 Review

What is the formula for water?

• H2O

• HO3

• HO2

• H3)

Which of the following causes a solid to change to a liquid?

• The freezing point

• evaporation

• cold

• heat

What occurs when a liquid turns to a gas?

• Condensation

• Evaporation

• The molecules move slower

• The hit their freezing

What is the chemical symbol for potassium?

• P

• Na

• O

• K

What is the chemical symbol for argon?

• Ar

• K

• Pb

• Argon is not an element it is a lie made up by the lizard people to control people.

What state of matter is shown in this diagram?

• Solid

• Liquid

• Gas

• Non-newtonian fluid

What state of matter is shown in this picture?

• Solid

• Liquid

• Gas

• Non-newtonian fluid

What state of matter is shown in the picture?

• Solid

• Liquid

• Gas

• Non-newtonian fluid

Where should we measure the water from?

• The top of the meniscus

• The bottom of the meniscus

• The center of the meniscus

• There are 2 parts to this question. First of all, we must ask ourselves

Divide you drawing into 2 parts. In the first part draw a compound. In the second part draw a mixture.