Line Spectra - Bohr's Model Flashcards
upon heating of elements, where does the color effect based on?
AND what spectrum is it based on?
color depends on MOST INTENSE LINES emitted from the 4 CHARACTERISTIC LINES
Line/Emission Spectrum
Continuous Spectrum vs Line/Emission Spectrum
Continuous Spectrum - all colors are showed
Line Spectrum - 4 characteristics line are showed
where is LINE SPECTRUM based on
wavelength
how does LINE SPECTRUM prove that visible light has DEFINIT ENERGY VALUES?
if light has an INFINITE ENERGY VALUE, it can emit ANY color which is not the case
Who created the Bohr’s model
Niels Bohr
What does the Bohr’s model say?
electrons moves around the nucleus in circular orbits in a certain allowed radius
relationship between energy of orbit and distance of electrons (n)
direct
kasi as electrons advance to excited state, nagiging positively charged ang nucleus
2 states that an electron can have during process of decay
ground state
excited state
what do you call the PROCESS wherein the electron goes back to its stable state and releases PHOTONS
process of decay
what do you call the PROCESS wherein e- advances to the excited state due to energy absoroption
ionization
Energy level postulate formula
Delta E of e- = Rh [( 1/initial n^2 ) - (1/final n^2)]
can energy of photon be negative?
no
formula for rydberg’s constant
- Rh (NEGATIVE) = Energy of electron x n^2
Rh = 2.179x 10^-18 J
can n (number of orbit) be negative or decimal?
no
Who suggested that particles have wave-like manner and what equation was thus derived?
+ wave-particle duality
Louis de Broglie
de Broglie Relation:
wavelength = (Planck’s constant) / mass (kg) x speed
