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5 Written Questions

5 Matching Questions

  1. volume percent (solution)
  2. periodic table
  3. Graham's law of effusion
  4. molar volume (of a gas)
  5. solid
  1. a The rates of effusion of two gases at the same temperature and pressure are inversely proportional to the square roots of their densities or molar masses.
  2. b The volume of 1 mole of a gas at STP equals 22.4 L/mol.
  3. c The volume of solute in 100 mL of solution.
  4. d A state of matter having a definite shape and a definite volume, whose particles cohere rigidly to one another, so it can be independent of its container.
  5. e An arrangement of the elements according to their atomic numbers. The table consists of horizontal rows, or periods, and vertical columns, or families, of elements. Each period ends with a noble gas.

5 Multiple Choice Questions

  1. A solution with one mole of solute per mole of solution.
  2. The metallic elements characterized by increasing numbers of d and f electrons. These elements are located in Groups IB - VIIB and in Group VII of the periodic table.
  3. In the VSEPR model, an arrangement where the pairs of electrons are arranged 180 degrees apart.
  4. The sum of the protons and neutrons in the nucleus of a given isotope of an atom.
  5. The number of moles of solute per liter of solution.

5 True/False Questions

  1. polar covalent bondA covalent bond between two atoms with the same electronegativity value; thus, the electrons are share equally between the two atoms.

          

  2. solventA state of matter having a definite shape and a definite volume, whose particles cohere rigidly to one another, so it can be independent of its container.

          

  3. theoretical yieldThe maximum amount of product that can be produced according to a balanced equation.

          

  4. stoichiometryThe area of chemistry that deals with the quantitative relationships among reactants and products in a chemical reaction.

          

  5. solubilityThe ability of a solute to dissolve in a solvent.

          

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