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5 Written questions

5 Matching questions

  1. protons electrons neutral
  2. average atomic mass
  3. Pauli Exclusion Principle
  4. Bio Chemistry
  5. neutral
  1. a the atomic mass on the periodic table is really the__________ __________ __________
  2. b ______________________- electrons in the same orbital must have opposite spin
  3. c ______________- Study of the molecules and processes that take place in living organisms
  4. d a neutron has what charge?
  5. e in an atom, the number of __________ equals the number of __________ so that the atom is electrically __________ overall

5 Multiple choice questions

  1. Who was credited with the oil drop experiment?
  2. ______________ is how consistent a measurement is
  3. 1 cal = _____ J
  4. Who was the scientist that came up with law of multiple proportions?
  5. what are 4 examples of physical properties

5 True/False questions

  1. Positive__________ - atoms of the same element that differ in mass due to a different number of neutrons


  2. Analytical Chemistry______________- Study of how to determine the exact composition of mixtures and compounds. What is present and what is the exact percent composition.


  3. Ernest RutherfordWho was credited with the gold foil experiment?


  4. Random Error___________- an element that typically has 4 or more electrons in its outer shell


  5. 94Chemists study matter from _ perspectives


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