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5 Written questions

5 Matching questions

  1. volume
  2. polar covalent bond
  3. saturated solution
  4. ion
  5. nonpolar covalent bond
  1. a A solution containing dissolved solute in equilibrium with undissolved solute.
  2. b A covalent bond between two atoms with differing electronegativity values, resulting in unequal share of bonding electrons.
  3. c A covalent bond between two atoms with the same electronegativity value; thus, the electrons are share equally between the two atoms.
  4. d The amount of space occupied by matter; measured in liters and milliliters.
  5. e A positively or negatively charged atom or group of atoms.

5 Multiple choice questions

  1. The number of moles of solute per liter of solution.
  2. The shape of the surface of a liquid when placed in a glass cylinder.
  3. A cloudlike region around the nucleus where electrons are located. Orbitals are energy sublevels (s, p, d, f) within the principal energy levels.
  4. SI unit of length. 39.37 inches.
  5. The sum of the protons and neutrons in the nucleus of a given isotope of an atom.

5 True/False questions

  1. physical states of matterA change in form without change in composition.

          

  2. liter (L)SI unit of volume.

          

  3. subscriptNumber that appears below the line and to the right of a symbol of an element.

          

  4. law of definite compositionA compound always contains two or more elements in a definite proportion by mass.

          

  5. percent yieldThe horizontal groupings (rows) of elements in the periodic table.