Chemical Basis of Life

A substance that cannot be further broken down into other substances

• Element

• Compound

• Molecule

• Plasma

The attractive force that holds two atoms of a compound together.

• Chemical Bonds

• Magnetism

• Gravity

• Weak Force

What bond results from two atoms gaining/losing electrons?

• Ionic Bond

• Covalent Bond

• Hydrogen Bond

• Van der Waals Interactions

The bond that results from the sharing of a pair of electrons by two atoms.

• Hydrogen Bonds

• Ionic Bond

• Van der Waals Interactions

• Covalent Bond

What is the strongest chemical bond?

• Van der Waals Interactions

• Covalent Bond

• Ionic Bond

• Hydrogen Bond

Which of these is an example of an inorganic compound?

• Carbohydrates

• Lipids

• Water

• Nucleic Acids

Which of these emergent properties of water is responsible for water transport in plants?

• Expansion upon Freezing

• Ability to Moderate Temperature

• Versatility as a Solvent

• Cohesion and Adhesion

A compound that dissociates in water into hydrogen ions and negatively charged ions.

• Base

• Acid

• Buffer

• Organic Compounds

A substance that minimizes changes in the concentration of H+ and OH- in a solution.

• Inorganic Compounds

• Buffers

• Organic Compounds

• Bases

A measure of the relative concentrations of H+ and OH- ions. It determines the acidity and alkalinity of substances.

• Bases

• pH scale

• Acids

• Buffers