Exam 2: Atoms, Ions, and Molecules

Which of the following has the smallest mass?

Which of the following is an accurate description of hydrocarbons?

A base is described as a proton donor.

Which statement accurately describes how pH is related to denaturation?

The most common extracellular cation is ________.

If an element from the first column of the periodic table entered into a covalent bond with one from the sixth column, then the bond would be a

Water and sodium chloride are examples of inorganic molecules.

Nucleic acids are made up of

An emulsion is a combination of water and a nonpolar liquid that have been forcibly mixed.

Like most functional groups, carboxyl groups are

When diagramming an atom, the innermost shell is filled with ________ electrons.

Which statement accurately describes isomers?

An individual hydrogen bond in a sample of water would be described as

An individual water molecule contains ________ atoms and enters into ________ hydrogen bonds with other water molecules.

A charged amino acid tends to decrease a protein's solubility in water.

When two or more polypeptide chains come together to give a protein its ultimate shape, that structure is described as the ________ structure.

The simple sugar glucose is an example of a

Molarity is measured in the units of moles solute/L solution.

The half-life of a radioisotope is at least one day and at most ten years.

The amount of energy (measured in calories) required to increase the temperature of 1 gram of a substance by 1 degree Celsius is known as ________.