Solutions and Solvents

A compound is....

• a substance that is formed by the chemical combination of two or more elements that acts like a single substance.

• the process of changing directly from a solid to a gas without first becoming liquid.

• a solid formed from the chemical reaction of tw0 solutions.

A mixture is.......

• a change of matter that occurs when atoms link together in a new way.

• a chemical reaction that changes a solution.

• a physical combination of two or more substances that are blended together without forming new substances.

Weight is......

• the amount of matter in an object.

• how strongly gravity pulls on an object.

• how much space matter takes up.

Volume of liquids are usually measured in.....

• milliliters and liters

• centimeters and meters.

• pounds and ounces

Mass is usually measured in

• ounces and cups

• kilograms or grams.

• inches and feet

Density is

• a very thick liquid.

• the resistance to sinking.

• the amount of mass for each cm³ of a substance.

If you are checking for buoyancy, you want to know if an object will.....

• be soluble.

• can become saturated.

• will sink or float.

What is a colloid?

• A type of mixture in which the particles of one material are unable to disburse completely into another due to saturation.

• A physical change in a mixture that causes the particles to separate.

• A type of mixture in which the particles of one material are scattered through another and block the passage of light without settling out.

• A chemical change in a mixture that causes the particles to form a new substance.

A solution of two metals is called ...

• an alloy.

• an algorithm.

• an alternate.

• an altitude.

Examples of colloids are

• mixed nuts and salads

• cool aid and Jello

• milk and mayonnaise

• lemonade and tea