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Chemistry

TermDefinition
Electromagnetic Radiation form of energy that has wavelike behavior as it travels through spave
Electromagnetic Spectrum All the forms of electromagnetic radiation
Wavelength distance between corresponding points on adjacent waves
Frequency (v) number of waves that pass a given point in a specific time, usually one second (described as waves/second called hertz)
photoelectric effect emission of electrons from a metal when light shines on the metal
quatntum energy that is the minimum quantity of energy that can be lost or gained by an atom (E is the energy in Joules)
Planck's constant h=6.626x10-34th Jxs
electromagnetic radiation equation c(speed)= /\(wavelength)x v (frequency)
Photon particle of electromagnetic radiation having zero mass and carrying a quantum energy
ground state lowest energy state of an atom
excited state atom has a higher potential energy than it has at ground state
continuous spectrum emission of continuous range of frequencies of electromagnetic radiation
Niels Bohr proposed a hydrogen atom model that linked the atoms electron to photon emission (Plum pudding!!)
Heisenberg uncertainty principle states that its impossible to determine simultaneously both the position and velocity of an electron or any other particle
Quantum Theory describes mathematically the wave properties of electrons and other very small particles
orbital three dimensional region around the nucleus that holds electrons
Created by: Mikenzie
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