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5 Written questions

5 Multiple choice questions

  1. tbe ability of an atom to attract an electron.
    most electronegative: F, O, N
  2. the chemical bond that forms when electrons between atoms are shared
    occurs when electronegatives are similar
  3. ionic and polar substances dissolve in the water.
    hydrophillic vs hydrophobic
  4. atoms that have positive or negative charges
  5. consists of a nucleus of positively charged protons and neutrally charged neuron

5 True/False questions

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

          

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

          

  3. polar covalent bondwhen electrons are shared equally
    electronegativities are equal

          

  4. Properties of Watertwo or more atoms held together by chemical bonds

          

  5. nonpolar 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