AP Biology Exam Review #1

Front

The smallest unit of an element that still retains the property of the element.

Back

Atom

Front

Negatively charged particles that are found in shells around the nucleus.

Back

Electron

Front

Positively charged particles found in the nucleus of an atom.

Back

Proton

Front

This type of bond forms when valence electrons are shared by two atoms.

Back

Covalent Bond

Front

Relatively weak bond that forms between the partial positively charged hydrogen atom of one molecule and the negative charged oxygen of another molecule.

Back

Hydrogen Bond

Front

This property of water allows for the linking of like molecules, i.e. water molecules join to water molecules.

Back

Cohesion

Front

The clinging of one substance to another, i.e. water molecule attached to some other molecule (water droplets to a glass windshield).

Back

Adhesion

Front

Which of the following is NOT a true property of water?

Back

Water has a low specific heat.

Front

What is the pH of water?

Back

pH 7

Front

If an aqueous solution has an excess amount of H⁺ ions (H⁺ > OH^-), it is...

Back

An acid