Periodic Table Vocabulary

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Across
  1. 2. a substance made of two or more elements chemically combined at a set ratio
  2. 4. an element that is used in computers
  3. 5. the number of protons in the nucleus of an atom
  4. 7. A chart/compilation that organizes all of the known elements in the world
  5. 8. What is the corresponding element name for the symbol “K”
  6. 9. a pure substance that cannot be broken apart
  7. 12. a property of a substance that it undergoes during a chemical change/reaction
  8. 13. characteristics of a sample of matter or any other object
  9. 14. the center of an atom
  10. 15. the ability (property) to reflect light; the metallic shine of an object
  11. 16. an element that has properties of metals and nonmetals
  12. 17. an atom where the number of protons is not equal to the number of electrons
  13. 19. the degree to which an object lets heat or electricity pass through it
Down
  1. 1. the ability (property) of being able to be pounded into a thin sheet
  2. 3. properties that can be observed without changing the chemical composition of the matter
  3. 6. a positively charged subatomic particle
  4. 10. the Russian chemist who put together the periodic table of elements
  5. 11. a type of element on the periodic table that is normally malleable and is a good conductor
  6. 13. A horizontal row of elements in the periodic table
  7. 18. the ability (property) of being able to be drawn into wire