Exam 2: Chemical Basis of Life

Water is the major __________ in the body.

Neutrons are located in the __________ of an atom, and they have an electrical chargethat is __________.

For a solution, a pH value of ___________ signifies equal numbers of hydrogen and hydroxide ions in the solution.

A(n) __________ reaction is the opposite of a decomposition reaction.

When ions with opposite charges are attracted to one another, a type of chemical bond called a/an __________ bond is formed.

Chemicals called ____________ are those that resist changes in pH of a solution.

Molecules called __________ are the building blocks of nucleic acids.

Particles called __________ are the smallest complete units of any element; those of one element will be different in structure from those of any other element.