Quantum Chemistry

Black body radiation

• Radiation emitted by black body

• Radiation emitted by any material

• Radiations not emitted

Tags

NGSS.HS-PS4-3

The wave-particle duality of light describes light as...

• a wave only
• a particle only
• both a wave and a particle
• neither a wave nor a particle

Tags

NGSS.HS-PS4-3

The equation that shows the relationship between the energy of light and frequency is: 

• c= λ⋅f
• E=h⋅f

A ____ is a discrete, quantized bundle of energy

• Photoelectric effect

• Photon

• Quantized

• Proton

Tags

NGSS.HS-PS4-3

The diagram shows an atom of uranium-235 being split into several pieces. Name the process shown in the diagram.

• nuclear fission

• nuclear fusion

• chemical reaction

• chain reaction

Tags

NGSS.HS-PS1-8

The diagram shows an atom of uranium-235 being split into several pieces. Name the particles labelled X.

• neutrons

• alpha particles

• beta particles

• protons

Tags

NGSS.HS-PS1-8

A particle of light is called a...

• Photoelectron

• Photon

• Proton

• Electron

Tags

NGSS.HS-PS4-3

A particle of light is called a photon.

• True
• False

Tags

NGSS.HS-PS4-3

The photoelectric effect only occurs if the light shining on the metal is:

• coherent.
• above a minimum intensity.
• above a minimum frequency.
• above a minimum wavelength.

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

This image is an illustration of

• photoelectric effect
• Dalton's atomic theory
• Bohr model
• Quantum mechanical model

Tags

NGSS.HS-PS4-3