Answers edited by Ramith Hettiarachchi

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• What are some common mistakes students make with VSEPR model?
  
• Who discovered the atomic number?
  
• How many valence electrons are in an atom of chlorine?
  
• What is hybridization?
  
• What is the angular quantum number?
  
• How do covalent bonds differ from hydrogen bonds?
  
• How does the atomic number change when it emits an alpha particle?
  
• How do you draw s,p,d,f orbitals?
  
• How can I explain Boyle's law graph?