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5 Written questions

5 Matching questions

  1. saturated solution
  2. mass percent solution
  3. mixture
  4. STP (Standard Temperature and Pressure)
  5. wavelength
  1. a 0 degrees C (273 K) and 1 atm (760 torr).
  2. b The distance between consecutive peaks and troughs in a wave.
  3. c The grams of solute in 100 g of a solution.
  4. d A solution containing dissolved solute in equilibrium with undissolved solute.
  5. e Matter containing two or more substances, which can be present in variable amounts.

5 Multiple choice questions

  1. An arrangement of the VSEPR model where four pairs of electrons are placed 109.5 degrees apart to form tetrahedron.
  2. The quantity or amount of matter that an object possesses.
  3. The area of chemistry that deals with the quantitative relationships among reactants and products in a chemical reaction.
  4. Mater that has uniform properties throughout.
  5. The volume of 1 mole of a gas at STP equals 22.4 L/mol.

5 True/False questions

  1. solubilityThe number of moles of solute per liter of solution.


  2. photonA subatomic particle found in the nucleus of the atom that caries a positive electrical charge and a mass of about 1 amu.


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


  4. heatA form of energy associated with the motion of small particles of matter.


  5. trigonal planarAn arrangement of atoms in the VSEPR model where the three pairs of electrons are placed 120 degrees apart on a flat plane.


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