CHM-113 Matching Terms Worksheet

Visible light that is emitted appears as colored lines corresponding to its
Emissions
Visible light that is absorbed appears as dark lines corresponding to its
Absorption
Release of energy as an electron moves from a higher energy level to a lower energy
Gain of energy as an electron moves from a lower energy level to a higher energy
Emission and transmission of energy in the form of waves that move through space at the speed of
Electromagnetic
Length of a wave measured from peak to peak or trough to trough in units of
Cycles per cycle of a wave in units of s-1 or
Packet of energy in the form of
Specified quantity of energy that can be emitted or
Light behaves as both a wave and a particle and requires a quanta of energy to
Photoelectric
Electrons in a higher energy level than their lowest energy, ground
Excited
Electrons in their lowest energy
Ground
Set of four numbers that describe the location and spin of an
Quantum
Whole number (non-zero) that describes the energy level of an orbital, represented by
Principle quantum
Energy level of an electron, represented by
Whole number (includes 0) that describes the shape of an orbital, represented by
Angular
Represented by nl that describes the energy level and shape of an