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15 terms

CHM 1111 Chapter 6

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wave
periodic oscillation that travels through space
wavelength
distance between two corresponding points on a wave -
frequency
the number of waves passing a given point per second
amplitude
vertical height of a wave from the midline. Proportional to energy.
speed
distance per unit time (m/s)
speed of light
3.00 x 10^8 m/s
quantum
smallest packet of energy. Akin to the atom for mass.
threshold frequency
frequency below which electrons are not ejected in the photoelectric effect
photon
quantum of light energy
emission spectrum
specific frequencies given off by excited atoms of individual elements
ground state
most stable arrangement for an atom
excited state
high-energy state
orbit
specific area in which an electron can exist
degenerate
having the same energy
valence electrons
outermost bonding electrons