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5 Written Questions

5 Matching Questions

  1. metalloid
  2. sublimation
  3. heat
  4. Gay-Lussac's law
  5. meniscus
  1. a A form of energy associated with the motion of small particles of matter.
  2. b At constant volume, the pressure of a fixed mass is directly proportional to the absolute temperature.
  3. c An element having properties that are intermediate between those of metals and nonmetals.
  4. d The process of going directly from the solid state to the vapor state without becoming a liquid.
  5. e The shape of the surface of a liquid when placed in a glass cylinder.

5 Multiple Choice Questions

  1. The pressure exerted by a vapor in equilibrium with its liquid.
  2. A covalent bond between two atoms with differing electronegativity values, resulting in unequal share of bonding electrons.
  3. The mass of a mole of atoms or molecules.
  4. An arrangement of atoms in the VSEPR model where the three pairs of electrons are placed 120 degrees apart on a flat plane.
  5. SI unit of length. 39.37 inches.

5 True/False Questions

  1. valence electronAn electron in the outermost energy level of a atom; these electrons are the ones involved in bonding atoms together to form compounds.

          

  2. specific gravityThe quantity of heat required to change the temperature of 1g of any substance by 1 degree C.

          

  3. propertiesThe characteristics of substances that give them unique identities.

          

  4. hydrogen bondA covalent bond in which three pairs of electrons are shared between two atoms.

          

  5. periodic tableA cloudlike region around the nucleus where electrons are located. Orbitals are energy sublevels (s, p, d, f) within the principal energy levels.

          

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