Chemistry Semester 1 Review

Draw a water molecule.

Which property describes water attracted to water?

• cohesion

• adhesion

• solvent

Which of the following is not a state of matter?

• liquid

• gas

• frozen

• solid

The pH of water is ______.

• acidic (1-6)

• neutral (7)

• basic (8-14)

Atoms are made up of

• protons

• neutrons

• electrons

• all of the above!

Electrons have a _____. charge.

• positive

• neutral (zero)

• negative

• strong

True or False:

Pollution is any substance that is GOOD for the environment.

• True

• False

Which of the following is an example of light pollution?

• lights from a city

• the sound from a loud engine

• battery acid

• wind

Ionic bonds are ____ than covalent bonds.

• weaker

• stronger

• equal to

Radio waves are the longest electromagnetic waves.

• True

• False