Answers created by Mr. Causey

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• How do the valence electrons change as you go across a period?
  
• What is a matter (de Broglie) wave?
  
• What is the Bohr model of the atom?
  
• Why is the mole an important unit to chemists?
  
• Why are mole ratios important?
  
• What are mole ratios?
  
• How does polarity relate to electronegativity?
  
• What is the effect of molecular structure on molecular properties?
  
• What is the chemical formula for a diamond?
  
• What is the valence electron configuration of sulfur?
  
• Question #23cf4
  
• What phase change of water releases heat?
  
• How do polar molecules form hydrogen bonds?
  
• How does electronegativity impact polarity of molecules?
  
• Question #daed4
  
• How did Niels Bohr change the model of the atom?
  
• How can water be a lewis base?
  
• Why is #ZnCl_2# a lewis acid?
  
• What is the isotope notation for cobalt?
  
• Question #b2eac
  
• How is energy related to phases of matter?
  
• How do intermolecular forces differ from attraction between ions?
  
• Question #95ed8
  
• How is separating components of mixtures different from compounds?