AP Biology Exam Review #1

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

• Cell

• Quark

• Atom

• Proton

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

• Proton

• Neutron

• Electron

• Isotope

Positively charged particles found in the nucleus of an atom.

• Proton

• Neutron

• Electron

• Quark

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

• Covalent Bond

• Ionic Bond

• Hydrogen Bond

Tags

NGSS.HS-PS1-1

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

• Covalent Bond

• Ionic Bond

• Hydrogen Bond

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

• Evaporation

• Cohesion

• Transpiration

• Adhesion

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

• Adhesion

• Evaporation

• Cohesion

• Transpiration

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

• Water has a high specific heat.

• Water in ice form will float in liquid water.

• Water is less dense as a solid than as a liquid.

• Water has a low specific heat.

Tags

NGSS.HS-ESS2-5

What is the pH of water?

• pH 0

• pH 5

• pH 7

• pH 12

Tags

NGSS.HS-ESS2-5

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

• An acid

• A base

• Neutral