AP Chemistry Vocab Review Part 1

Front

Excited State

Back

A higher energy state of an atom when an electron has absorbed energy.

Front

Ground State

Back

The lowest energy state of an atom.

Front

Electron Shielding

Back

The reduction in effective nuclear charge on valence electrons due to inner electrons.

Front

Photoelectric Effect

Back

The emission of electrons from a metal when it is exposed to light.

Front

Paramagnetic

Back

An atom or ion that has unpaired electrons and is attracted to a magnetic field.

Front

Diamagnetic

Back

An atom or ion with all electrons paired, repelling a magnetic field.

Front

Photon

Back

A packet of light energy emitted when an electron moves to a lower energy level.

Front

Mass Defect

Back

The difference between the actual mass of an atom and the sum of its individual particles.

Front

Electropositivity

Back

The tendency of an element to lose electrons and form cations.

Front

Atomic Orbital Overlap

Back

The interaction of orbitals to form covalent bonds.