Quantum Theory And The Atom

10 Questions | By Mswingler | Updated: Mar 21, 2022 | Attempts: 452

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Welcome to another quiz on the scientific study of chemistry, where today we’ll be discussing the atom and also taking a look at the topic of quantum theory – the theory that defines the behaviour of photons, electrons and all the other particles that make up the universe. Good luck!

Questions and Answers

1.

Electromagnetic waves have
- A.
  
  Particle like properties
- B.
  
  Wavelike properties
- C.
  
  Both particle like and wavelike properties
- D.
  
  Neither particle like nor wavelike properties
2.

Emission of electrons when electromagnetic radiation falls on an object is
- A.
  
  Photoelectric effect
- B.
  
  Photons
- C.
  
  Threshold frequency
- D.
  
  Vibrational energy
3.

A _____ is a discrete,quantized bundle of energy.
4.

Name one use of the Photoelectric effect.
5.

The Heisenberg Uncertainty Principal says that it is impossible to measure precisely both the position and momentum of a particle at the same time.
- A.
  
  True
- B.
  
  False
6.

An atom in ____ is an atom with the smallest allowable amount of energy.
- A.
  
  An excited state
- B.
  
  Quantized energy
- C.
  
  A ground state
- D.
  
  The air
7.

The ____ ____ is the region in which there is a high probability of finding an electron.
8.

Light waves that are in step are know as incoherent light.
- A.
  
  True
- B.
  
  False
9.

Laser stands for
- A.
  
  Loss of Air in Sealed Equilibrium Radii
- B.
  
  Lithium Arsenic Silicon Erbium Rubidium
- C.
  
  Lose Atoms are Slowly Emitted Ruthlessly
- D.
  
  Light Amplification by Stimulated Emission of Radiation
10.

Name one application of a laser.