De Broglie Waves

Electrons move in a set path, and can only have certain energy levels

• Neils Bohr

• Louis DeBroglie

• Werner Heisenberg

Only the wave theory of light offers an explanation for the ability of light to exhibit...

• diffraction.

• reflection.

• photo luminescence

• illumination.

Tags

NGSS.HS-PS4-3

Experiments on which of the following suggested the wave nature of electrons?

• the photoelectric effect

• electron diffraction by a crystalline material

• β⁻ decay

Tags

NGSS.HS-PS4-3

De Broglie equation

• relates the momentum of a mass to its wavelength

• relates the energy of a mass to its wavelength

• relates the frequency of a mass to its wavelength

• relates the work function of a mass to its wavelength

Tags

NGSS.HS-PS4-3

If waves can behave like particles, then particles can behave like a wave. This is the idea behind...

• Quantization of Energy

• Photoelectric Effect

• Compton Effect

• deBroglie Waves

Tags

NGSS.HS-PS4-3

An electron cloud

• represents a 50% probability of finding an electron

• has uniform density

• can be called an orbital

• can only show where the electron is not located

  SHOW ANSWER

Particles whose motions are better described by quantum mechanics can only gain or lose energy in discrete units called

• Protons

• Quanta

• Electrons

Tags

NGSS.HS-PS4-3

The de Broglie wave equation showed that the wavelength of any moving object is equal to

• m/hν

• h/mv

• v/mh

• hm/v

Tags

NGSS.HS-PS4-1

Determined that electron paths cannot be predicted and exist inside the Electron Cloud.

• John Dalton

• Ernest Rutherford

• Schrodinger & Heisenberg

• Bohr

Believed that electrons travelled around the nucleus in definite paths.

• Niels Bohr

• Ernest Rutherford

• Modern Atomic Theory