Chapter 2: Radiation And The Atom Flashcards
Category of radiation with no mass, is unaffected by electric or magnetic fields and has a constant speed in a given medium
Electromagnetic Radiation
Types of interaction with matter (Electromagnetic energy)
Scattering (change in trajectory)
Absorption (Removal of the radiation)
Transformation (energy to mass conversion)
Discrete particle like packets or quanta of energy
Photons
A central tenet of quantum mechanics is that all particles exhibit wave like properties and all waves exhibit particle like particles
Wave particle duality
Classical billiard ball type of collision between an xray photon and an orbital electron
Compton scattering event
Xray photons energy is completely absorbed by and results in the ejection of an orbital electron
Photoelectric effect
Wave characteristic which refers to the distance between any two identical point on adjacent cycle
Wavelength
Wave characteristics refering to the intensity of the wave
Amplitude
Wave characteristics referring to the time required to complete one cycle of a wave
Period
Number of period that occur per second
Frequency
Temporal shift of one wave with respect to the other
Phase
Energies of photons
Defined as the energy acquired by an electron as it traverses an electrical potential difference (voltage)
Electrovolt
An atom or molecule that has lost or gained one or more electrons has a net electrical charge
Ion
Xrays gamma rays are what type of radiation
Ionizing radiation
Photon energies in and below the UV region (visible infrared teragertz microwave and radio waves)
Non ionizing radiation
The minimum energies necessary to remove an electron
Ionization energy