Quantum Theory & the Atom

What is the lowest allowable energy state of an atom called? 

• excited state

  
  

• quantum state

  
  

• ground state

  
  

• atomic orbital

  
  

Which term refers to the conclusion that it is fundamentally impossible to know precisely both the velocity and the position of a particle at the same time?  

• Planck’s effect

  
  

• de Broglie principle

  
  

• Heisenberg uncertainty principle 

  
  

• Schrodinger principle

  
  

How many sublevels does principal energy level 3  consist of? 

• 1

• 2

• 3

• 4

What is the name of the atomic model that treats electrons as waves? 

• Bohr’s model

  
  

• Heisenberg’s model

  
  

• particle mechanical model

  
  

• quantum mechanical model of the atom

  
  

Tags

NGSS.HS-PS4-3

Which of the following is NOT true about the Heisenberg uncertainty principle? 

• It is impossible to assign fixed paths for electrons.  

  
  

• It is impossible to know precisely both the velocity and the position of a particle at the same time. 

  
  

• It is possible to know the probability for an electron to occupy a certain region around the nucleus. 

  
  

• It is possible to know precisely both the velocity and the position of a particle at the same time.