Partial pressure
The pressure that one component of a gaseous mixture would exert if it were alone in the
container.
Pauli exclusion principle
Pauli exclusion principle
The principle stating that no two electrons within an atom may have an identical set of all four
quantum numbers.
Peptides
Peptides
Molecules that consist of two or more amino acids linked to each other by peptide bonds.Percent composition
Percent composition
The percentage of the total formula weight of a compound attributed to a given element.Percent yield
Percent yield
The percentage of the theoretical product yield that is actually recovered when a chemical
reaction occurs.
Period
Period
A horizontal row of the periodic table, containing elements with the same number of electron
shells.
Periodic law