Chapter 11 Flashcards
Frequency
The number of waves per second that pass through a given point in space
Wavelength
The distance between two consecutive peaks or troughs in a wave
Photon
A particle of electromagnetic radiation
Ground state
The lowest possible energy state of an atom or molecule
Orbital
A representation of the space occupied by an electron in an atom
Pauli exclusion principle
An atomic orbital can hold a maximum of two electrons and those electrons have to have opposite spins
Valence electrons
The electrons in the outermost occupied principle quantum level of an atom
Core electrons
An inner electron in an atom
Ionization energy
The quantity of energy required to remove an electron from a gaseous atom or ion
Excited state
An atom with excess energy