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5 Written questions

5 Matching questions

  1. Positive
  2. nonmetal
  3. Dalton's
  4. metalloids
  5. chemical, nuclear stability
  1. a Isotopes of an element have the same __________ properties but different __________
  2. b ___________- an element that typically has 4 or more electrons in its outer shell
  3. c a proton has what charge?
  4. d ______________ atomic theory is microscopic model to explain macroscopic observations
  5. e ___________- elements that exhibit characteristics of both metals and non-metals

5 Multiple choice questions

  1. ______________- Study of how to determine the exact composition of mixtures and compounds. What is present and what is the exact percent composition.
  2. ______________________- electrons in the same orbital must have opposite spin
  3. ___________- electrons fill degenerate orbitals one at a time (with the same spin), before pairing up electrons in the degenerate orbitals
  4. give 4 examples of chemical properties
  5. Who explained the bright line of hydrogen using a planetary model?

5 True/False questions

  1. Octet Ruleatoms are most stable when they have 8 electrons


  2. Chemistry________ is the study of matter and changes that occur in matter


  3. a positively charged ionwhat is an anion?


  4. NeutronsA particular element is determined by the number of __________ in the nucleus


  5. JJ Thompsonwho was credited with the cathode ray tube experiment