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5 Written questions

5 Matching questions

  1. What is atomic mass?
  2. A supernova provides enough energy to create the ________ ____________
  3. WHen a helium nucleus fuses with a beryllium nucleus what is formed?
  4. From left to right the _________- of elements in a period change in a pattern
  5. THe elements in the same group have ________ characteristics
  1. a carbon
  2. b the average mass of all the isotopes of an element
  3. c properties
  4. d similar
  5. e heaviest elements

5 Multiple choice questions

  1. patterns
  2. pattern
  3. Mendeleev, 63
  4. a state of matter that is gas-like and is made of free electrons and nuclei of atoms without electrons
  5. iron.

5 True/False questions

  1. The horizontal rows are called _________groups


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


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


  4. The _________ of an element can be predicted from its location in the periodic tableproperties


  5. What do we call it when a star explodes?a supernova