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WorksheetsElectronic Transitions and Spectral Lines
Total questions: 10
Worksheet time: 10mins
Which series of spectral lines of hydrogen includes wavelengths visible to the human eye?
Bracket
Lyman
Paschen
Balmer
None of these answers are correct
The movement of an electron between energy levels is called
Transition
Transcription
Photonic Jump
Series
None of these answers
The wave- numbers decrease from
Lyman to Pfund series
Bracket to Lyman series
Balmer series to Bracket series
None of these answers
If a short-wavelength photon is absorbed by an atom you'd expect it to:
Cause the electron to jump up to the same energy level as a long-wavelength photon
Cause the electron to jump up to a lower energy level than a low energy photon
Cause the electron to jump up to a lower energy level than a long-wavelength photon
Cause the electron to jump up to a higher energy level than a long-wavelength photon
Which has the largest frequency among the following radiations?
UV
IR
VISIBLE RAYS
RADIO
Consider an electron moving from orbital n = 2 to n = 5: Will energy be emitted or absorbed for this transition?
Emiited
Absorbed
None of these answers
What new idea did the photoelectric effect suggest?
electrons have wave properties
electromagnetic radiation has particle properties
light travels at a constant speed in a vacuum
the hydrogen atom has circular orbitals
In an atom other than the hydrogen atom, which of the following orbital pairs are degenerate?
2px and 2s
2pz and 3pz
3dxy and 3dxz
3s and 4s
1/λ = RH (1/4 − 1/n2) represents :
Lyman Series
Balmer Series
Pfund Series
Bracket Setries
What is the bond order of NO ?
3
2
1.5
2.5
None of the these answers
