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5 Written questions

5 Matching questions

  1. THe elements in the same group have ________ characteristics
  2. What are the two differences between Mendeleev's table and the modern periodic table?
  3. In the sun when isotopes of hydrogen fuse they make nuclei of ______
  4. Who discovered a way to measure the positive charge ( the atomic number) on an atom's nucleus?
  5. From left to right, the properties of elements in a period change in a _________
  1. a similar
  2. b pattern
  3. c (1) new elements have been added as they were discovered (2) arranged in order of atomic number , NOT atomic mass
  4. d Henry Moseley in 1913
  5. e helium

5 Multiple choice questions

  1. heaviest elements
  2. a supernova
  3. the average mass of all the isotopes of an element
  4. properties
  5. Mendeleev, 63

5 True/False questions

  1. Fusion keeps going until the core of the star is almost all _________iron.


  2. Like many stars, the sun is made of mostly which element?hydrogen


  3. Dmitri Mendeleev discovered a set of __________ applied to all the elements.patterns


  4. The properties of an element can be predicted from its location in the __________ _______properties


  5. THe matter in the sun and its planets originally came from a gigantic _________groups