Modern Atomic Theory Flashcards
Non ionizing radiation
Can’t break bonds
Ionizing radiation
Can break bonds
C
Speed of light.
3.00•10^8
Crest
Positive displacement
Trough
Negative displacement
Amplitude
Height of crest or depth of trough
How much energy a wave is transporting
Wavelength
Lambda (backwards s with tail)
Frequency
number of crests that pass by in one second
Nu (fancy v)
Mac Planck
Energy occurs in small packets called quantum
Planck’s constant
6.53•10^-34
Photoelectric effect
Light at the right frequency hits metal and strips electrons from the metal - creates current
Albert Einstein
Applied Planck’s idea and explained photoelectric effect
Called a packet of light energy a photon
Bright line spectrum
Only gives off certain frequencies of light
Continuous spectrum
Has all the colors/ light frequencies
Ground state
Lowest natural energy state