Classification and States of Matter Test

The forces of attraction between the particles of a matter sample are strong and draw particles together, keeping them in their place. This is an example _____.

• of the liquid state of matter
• of the solid state of matter
• of superficial tension
• of viscosity

The sum of all the potential energy and kinetic energy of an object equals its _____

• thermal energy
• kinetic energy
• potential energy
• force

In a chemical formula, the number of each type of atom in the compound is shown with numbers that are ____.

• superscripts
• chemical symbols
• oxidation numbers
• subscripts

In a gas, which quantities relate in such a way that when one increases, the other one decreases?

• volume, pressure
• temperature, pressure
• temperature, volume
• number of particles, pressure

In which state of matter there are very weak attractions between particles?

• liquid
• solid
• gas
• clay

When a liquid boils, its particles get ____. This may be due to the ____ in pressure.

• further apart; decrease
• closer together; decrease
• further apart; increase
• closer together; increase

A change in the state of matter occurs if enough _____ is added or removed from an object.

• thermal energy
• kinetic energy
• potential energy
• force

Ethanol has six hydrogen atoms, two carbon atoms, and one oxygen atom. Which is the correct chemical formula of the model below?

• 
• 
• 
• 

In general, nonmetals are ____ since they are composed of individual atoms or small molecules.

• good conductors of electricity
• malleable and ductile
• good conductors of heat
• gases at room temperature

In general, metals are ____ since they are composed of individual atoms or small molecules.

• poor conductors of heat
• brittle
• poor conductors of electricity
• good conductors of heat