Biological Compounds and Reactions

Front

What are the 5 properties of water?

Back

1. Cohesion 2. Adhesion 3. High specific heat 4. High heat of vaporization 5. Universal solvent

Front

Describe the covalent bond in a water molecule.

Back

A covalent bond forms between hydrogen and oxygen atoms, sharing electrons.

Front

Explain the hydrogen bond between water molecules.

Back

Hydrogen bonds occur between the positive hydrogen end of one water molecule and the negative oxygen end of another.

Front

Compare covalent bond and ionic bond.

Back

Covalent bonds involve sharing electrons, while ionic bonds involve the transfer of electrons.

Front

What type of bond is sodium chloride (Na+Cl-)?

Back

Ionic bond.

Front

What is an ion?

Back

An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.

Front

List 4 examples of inorganic compounds.

Back

1. Water 2. Sodium chloride 3. Carbon dioxide 4. Ammonia

Front

What is the most abundant inorganic compound in living organisms?

Back

Water.

Front

Describe the difference between synthesis and decomposition reactions.

Back

Synthesis reactions combine substances to form a new compound, while decomposition reactions break down compounds into simpler substances.

Front

Name a physical property of acids and bases.

Back

Acids taste sour, while bases taste bitter.