Substances, Solutions, and Mixtures

A ________ is matter that is made up of the same combination of atoms all the time.

• substance

• mixture

• chemical

Tags

NGSS.MS-PS1-1

Which item is a mixture?

• carbon

• copper

• air

• table salt

Which characteristic of water molecules best explains why most water on Earth contains dissolved solvents?

• size

• motion

• temperature

• structure

Tags

NGSS.MS-PS1-1

For which solution would percent by volume be used to describe concentration?

• drink mix in water

• sugar in soda

• oxygen in air

• salt in water

Pressure is a factor that would affect the solubility of

• sugar in tea

• powdered drink mix in water

• salt in ocean water

• carbon dioxide gas in soda

A sample of matter that contains only one kind of atom would be classified as a/an _______________.

• homogeneous mixture

• compound

• element

• heterogeneous mixture

A _______________ has a slightly negative end and a slightly positive end.

• concentration

• polar molecule

• solute

• nonpolar molecule

Tags

NGSS.MS-PS1-1

The substance that dissolves in a solution and is present in the smallest amount is the ___________.

• solvent

• element

• solute

• solution

A solute's ____________ is the maximum amount that can dissolve in a given amount of solvent at a given temperature and pressure.

• solvent

• solution

• solubility

• concentration

The substance that exists in the greatest quantity in a solution is the ___________.

• solvent

• substance

• solute

• compound