Periodic Table of Elements Vocabulary

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12345678910111213141516171819
Across
  1. 2. positively charged subatomic particle
  2. 4. the positively charged central core of an atom
  3. 8. the charge of an electron
  4. 13. the mass of an atom
  5. 16. group 18 on the periodic table of elements
  6. 18. usually a gas at room temperature, poor conductors of heat and electricity that are not malleable and ductile
  7. 19. neutrally charged subatomic particle
Down
  1. 1. the number of protons in the nucleus of an atom
  2. 3. the columns on the periodic table of elements
  3. 5. a substance that cannot be chemically broken down into simpler substances
  4. 6. good conductors of heat and electricity that are malleable and ductile
  5. 7. the basic unit of a chemical element
  6. 9. a short notation of one or two letters representing an element
  7. 10. the rows on the periodic table of elements
  8. 11. an atom with an electric charge due to the gain of electrons
  9. 12. The charge of a proton
  10. 14. a negatively charged ion
  11. 15. Russian chemist best known for formulation the periodic law and creating a version of the periodic table
  12. 17. negatively charged subatomic particle