Exam 2: The Basics of Life: Chemistry

Fluorine has the atomic number 9. The correct notation for a flouride ion is

Kinetic energy is best defined as

When this energy is reradiated as infrared radiation (heat), it is absorbed by these gases in the atmosphere.

A scale used to indicate the strength of an acid or base is called a ____ scale.

Protons = 7, neutrons = 10, electrons = 7. The mass number of this atom is

When electrons in a covalent bond are shared equally, the molecule is said to be

These are mixtures of weak acids and the salts of weak acids that tend to maintain constant pH.

The greatest amount of kinetic energy is found in

Why is NaHCO₃ considered a base in the following reaction? NaHCO₃ + HCl $\rightarrow$ NaCl + CO₂ + H₂O

The formulation Ca⁺⁺Cl^-₂, indicates

The type of chemical bond that holds OH^- and H⁺ together is

A difference between an acid and a base is that

Which kind of chemical reaction involves the attachment or removal of a phosphate group?

A bond in which the positive end of one polar molecule is attracted to the negative end of another polar molecule is a(n)

A negative charge is characteristic of a(n)

Given that an unknown atom's mass is 11, its combination of subatomic particles could be

Which one of the following rows best represents a gas in relation to a solid or liquid of the same compound?

The reaction C₆H₁₂O₆ + O₂ $\rightarrow$ CO₂ + 6H₂O is which type of chemical reaction?

The attraction between a positively charged atom and a negatively charged atom within the same molecule is

An ion having eleven protons, twelve neutrons, and ten electrons will have a charge of