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Compounds and bonding

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  • The IMFs present in H2O
    hydrogen bonds
  • A molecule with areas of partial charges
    a polar molecule
  • Is this compound ionic or covalent: MgCl
    ionic
  • Which of these will form hydrogen bonds: H2O, CH4, NH3
    H2O and NH3
  • List two properties of ionic compounds
    high melting point, crystalline solid structure, conduct electricity when dissolved or melted
  • Bond that forms when atoms share electrons unequally
    polar covalent
  • what is unique about the electrons in a metallic bond
    they can move freely
  • What do strong IMFs do to boiling point?
    increase boiling point
  • How strongly an atom pulls electrons
    electronegativity
  • What is an alloy?
    mixture of two or more elements at least one is a metal
  • Is C-H polar or nonpolar?
    nonpolar
  • List two properties of covalent compounds
    low melting point, do not conduct electricity, many are gases
  • give an example of an alloy
    steel, bronze, stainless steel,...
  • the strongest IMF
    hydrogen bond
  • Bond that forms when atoms share electrons
    covalent
  • Most atoms need this many valence electrons to be stable
    8
  • IMF all molecules have that is caused by movement of electrons
    dispersion forces
  • When magnesium forms an ion it will have this charge
    +2
  • The more electronegative atom in a polar molecule will have what type of charge
    negative
  • Which direction does the dipole arrow point
    towards the more electronegative atom
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