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5 Written questions

5 Matching questions

  1. THe matter in the sun and its planets originally came from a gigantic _________
  2. From left to right, the properties of elements in a period change in a _________
  3. Fusion keeps going until the core of the star is almost all _________
  4. How did Mendeleev arrange the elements?
  5. A supernova provides enough energy to create the ________ ____________
  1. a in order of increasing atomic mass
  2. b iron.
  3. c supernova
  4. d pattern
  5. e heaviest elements

5 Multiple choice questions

  1. patterns
  2. beryllium
  3. they are blown of into space as the star burns out
  4. energy
  5. (1)atomic number (number of protons), (2) chemical symbol (3) name (4) atomic mass

5 True/False questions

  1. Who discovered a way to measure the positive charge ( the atomic number) on an atom's nucleus?they are blown of into space as the star burns out


  2. The horizontal rows are called _________periods


  3. The properties of an element can be predicted from its location in the __________ _______periodic table


  4. What is nuclear fusion?a state of matter that is gas-like and is made of free electrons and nuclei of atoms without electrons


  5. The verticals columns are called _________periods


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