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5 Written questions

5 Multiple choice questions

  1. 1. Universal Solvent
    2. High Heat Capacity
    3. Ice
    4. Strong Cohesion/High Surface Tension
    5. Adhesion
  2. the chemical bond that forms between two atoms when one or more electrons are transformed from one atom to anohter.
    happens when the electronegatives differ
    creates ions
  3. atoms that have positive or negative charges
  4. tbe ability of an atom to attract an electron.
    most electronegative: F, O, N
  5. ionic and polar substances dissolve in the water.
    hydrophillic vs hydrophobic

5 True/False questions

  1. Atomwater expands [because water molecules are kept seperated], and becomes less dense
    floats in liquid water

          

  2. Water -- AdhesionAdhesion is the attraction between the unlike substances
    demonstrates capillary action

          

  3. Hydrogen bondthe chemical bond that forms when electrons between atoms are shared
    occurs when electronegatives are similar

          

  4. Covalent Bondwhen the electrons aren't shared equally
    unequal distribution of charges
    \electrons are closer to the atom with the greater electronegativity and produces a negative charge

          

  5. polar covalent bondwhen the electrons aren't shared equally
    unequal distribution of charges
    \electrons are closer to the atom with the greater electronegativity and produces a negative charge