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5 Written questions

5 Matching questions

  1. What happens to the heavy elements that a supernove creates?
  2. In 1869 _________ published the first periodic table with ______ elements and three missing elements?
  3. Fusion keeps going until the core of the star is almost all _________
  4. The verticals columns are called _________
  5. WHere do the elements come from?
  1. a groups
  2. b stars
  3. c Mendeleev, 63
  4. d they are blown of into space as the star burns out
  5. e iron.

5 Multiple choice questions

  1. families
  2. properties
  3. heaviest elements
  4. hydrogen
  5. (1)atomic number (number of protons), (2) chemical symbol (3) name (4) atomic mass

5 True/False questions

  1. THe elements in the same group have ________ characteristicssimilar


  2. When these nuclei in the plasma collide they join together and form larger nuclei and release huge amounts of ___________energy


  3. The horizontal rows are called _________groups


  4. Who discovered a way to measure the positive charge ( the atomic number) on an atom's nucleus?families


  5. From left to right the _________- of elements in a period change in a patternproperties