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5 Written questions

5 Matching questions

  1. solubility
  2. normal boiling point
  3. mass number
  4. molarity
  5. stoichiometry
  1. a The area of chemistry that deals with the quantitative relationships among reactants and products in a chemical reaction.
  2. b The sum of the protons and neutrons in the nucleus of a given isotope of an atom.
  3. c The number of moles of solute per liter of solution.
  4. d The temperature at which the vapor pressure of a liquid equals 1 atm or 760 torr pressure.
  5. e The ability of a solute to dissolve in a solvent.

5 Multiple choice questions

  1. The substance that is dissolved in a solution.
  2. A measure of the earth's gravitational attraction for an object.
  3. A state of matter in which the particles move about freely while the substance retains a definite volume; thus, liquids flow and take the shape of their containers.
  4. Matter containing two or more substances, which can be present in variable amounts.
  5. 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 True/False questions

  1. STP (Standard Temperature and Pressure)An arrangement of the VSEPR model where four pairs of electrons are placed 109.5 degrees apart to form tetrahedron.

          

  2. transition elementsThe 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. line spectrumColored lines generated when light emitted by a gas is passed through a spectroscope. Each element is unique.

          

  4. SIThe quantity or amount of matter that an object possesses.

          

  5. physical states of matterSolids, liquids, and gases.