Exam 2: Basic Chemistry

An atom with an atomic number of 14 will have ________ electrons in its valence shell.

Inactive or stored energy is called kinetic energy.

A solution with a pH of 11.7 is ________ times more basic (alkaline) than a solution with a pH of 8.7.

The building blocks of a triglyceride are ________.

A molecule of methane, CH₄, is known specifically as a(n) ________.

Elements are composed of building blocks known as ________.

Using Figure 2.1, identify the following: -Letter D represents the structure of a(n) ________.

Match the following: -Glycogen is broken down to release glucose subunits.

Atoms that have lost or gained electrons are known as ________.

The subatomic particles that are responsible for the chemical behavior of atoms are the ________.

The movement of ions across plasma membranes is an example of ________.

Hydrogen bonding between water molecules is responsible for ________.

Atoms that have lost or gained electrons during bonding are known as isotopes.

An atom's outermost shell is known as its ________ shell.

Match the following: -Atoms that lose or gain these subatomic particles are known as ions.

Water absorbs and releases large amount of energy before changing temperature, a characteristic known as ________.

What type of chemical bond is pictured in Figure 2.3?

Match the following: -Atoms share these subatomic particles equally in nonpolar covalent molecules.

Enzymes are ________.

The reaction sucrose + water → glucose + fructose is an example of a(n) ________.