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Structure of the Atom
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Light, Atomic Spectra and the Bohr Model
Light, Atomic Spectra and the Bohr Model
Chemistry
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More in Structure of the Atom
Subatomic Particles and Atomic Models
Electronic Configuration and Valency
Isotopes and Isobars
Light, Atomic Spectra and the Bohr Model
Quantum Mechanical Model of the Atom
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High School (11–12)
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12 problems
Type:
Any
Conceptual
Numerical
1.
Find the energy needed to remove the electron from B⁴⁺, with Z = 5, in its ground state.
High School (11–12) · Light, Atomic Spectra and the Bohr Model
StemPy Lab
Medium
2.
The ion He⁺ has one electron. Find the wavelength of the photon given out when its electron falls…
High School (11–12) · Light, Atomic Spectra and the Bohr Model
StemPy Lab
Hard
3.
For the electron in the n = 4 orbit of a hydrogen atom, find these.
High School (11–12) · Light, Atomic Spectra and the Bohr Model
StemPy Lab
Medium
4.
One student heats hydrogen gas at low pressure and sees a few bright lines.
High School (11–12) · Light, Atomic Spectra and the Bohr Model
StemPy Lab
Easy
5.
Find the shortest wavelength of the Brackett series, which ends on n₁ = 4, and the energy of a…
High School (11–12) · Light, Atomic Spectra and the Bohr Model
StemPy Lab
Medium
6.
Find the wavelength of the line of hydrogen produced when an electron falls from n = 5 to n = 4.
High School (11–12) · Light, Atomic Spectra and the Bohr Model
StemPy Lab
Medium
7.
Light of wavelength 250 nm and power 2.0 mW falls on potassium, with a work function of 2.30 eV.
High School (11–12) · Light, Atomic Spectra and the Bohr Model
StemPy Lab
Hard
8.
Light above the threshold frequency falls on a metal, and electrons come out.
High School (11–12) · Light, Atomic Spectra and the Bohr Model
StemPy Lab
Medium
9.
The threshold wavelength of a metal is 540 nm.
High School (11–12) · Light, Atomic Spectra and the Bohr Model
StemPy Lab
Medium
10.
A green laser pointer has a power of 5.0 mW and a wavelength of 532 nm.
High School (11–12) · Light, Atomic Spectra and the Bohr Model
StemPy Lab
Medium
11.
Arrange these in order of increasing frequency: microwaves, X-rays, visible light, radio waves…
High School (11–12) · Light, Atomic Spectra and the Bohr Model
StemPy Lab
Easy
12.
A sodium lamp gives out yellow light of wavelength 589 nm.
High School (11–12) · Light, Atomic Spectra and the Bohr Model
StemPy Lab
Easy
StemPy Lab