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5 Written questions

5 Multiple choice questions

  1. 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
  2. the chemical bond that forms when electrons between atoms are shared
    occurs when electronegatives are similar
  3. weak bonds between molecules
    form when H+ is in a covalent bond, but is attracted to another molecule [usually with a high electronegativity] in another covalently bonded molecule
  4. tbe ability of an atom to attract an electron.
    most electronegative: F, O, N
  5. atoms that have positive or negative charges

5 True/False questions

  1. Water as a solventionic and polar substances dissolve in the water.
    hydrophillic vs hydrophobic

          

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

          

  3. Water having a high heat capacityionic and polar substances dissolve in the water.
    hydrophillic vs hydrophobic

          

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

          

  5. Atomconsists of a nucleus of positively charged protons and neutrally charged neuron

          

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