Matter Unit Recap-7th Grade

Front

What are elements in the shaded area best described as?

Back

Shiny and brittle.

Front

What happens to the concentration of a solution when more solute is added?

Back

The solution becomes more concentrated.

Front

Water is an example of a(n) ______.

Back

Compound.

Front

How can you make a solution more concentrated?

Back

By adding solute.

Front

Order the following solutions from most concentrated to least concentrated: Solution A (61g salt/50mL water), Solution B (21g salt/50mL water), Solution C (41g salt/50mL water).

Back

A, C, B.

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded together.

Front

What is a solute?

Back

The substance that is dissolved in a solution.

Front

What is a solvent?

Back

The substance that dissolves the solute in a solution.

Front

What is the difference between a mixture and a compound?

Back

A mixture is a combination of substances that retain their individual properties, while a compound is a substance formed from two or more elements that lose their individual properties.

Front

What is the definition of concentration in a solution?

Back

The amount of solute present in a given volume of solvent.