Niels Bohr and Spectra (Leaving Cert Chemistry): Flashcards
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Niels Bohr's nationality & profession
Niels Bohr's nationality & profession
Danish physicist
Bohr's birth year & place
Bohr's birth year & place
1885 in Copenhagen
Year Bohr won Nobel Prize in Physics
Year Bohr won Nobel Prize in Physics
1922
What Bohr won Nobel Prize for
What Bohr won Nobel Prize for
Study of electron arrangement in atoms
Definition of continuous spectrum
Definition of continuous spectrum
Spectrum with no gaps in colours
Natural example of continuous spectrum
Natural example of continuous spectrum
Rainbow
Definition of line spectrum
Definition of line spectrum
Narrow coloured lines with gaps between them
Key difference: continuous vs line spectra
Key difference: continuous vs line spectra
Continuous has all colours; line has specific colours with gaps
Instrument used to study emission spectra
Instrument used to study emission spectra
Spectrometer
Unique property of each element's spectrum
Unique property of each element's spectrum
Each has unique emission line spectrum (fingerprint)
Colour emitted by sodium street lamps
Colour emitted by sodium street lamps
Yellow
Colour of neon advertising signs
Colour of neon advertising signs
Red
Bohr's insight about electrons from line spectra
Bohr's insight about electrons from line spectra
Electrons exist only at specific energy levels