Periodic Table

Edit Answers
123456789101112131415161718192021222324
Across
  1. 3. center of atom
  2. 4. word used to describe the physical property where is easily breaks apart
  3. 5. sum of the number of protons and neutrons in nucleus
  4. 9. number that tells u number of protons and electrons.
  5. 13. model that refers to treatment of electrons as particles that orbit the nucleus
  6. 15. light, silver gray metal with atomic number of 4(Be)
  7. 16. rows of the periodic table
  8. 17. a one or two letter abbreviation.
  9. 19. columns on the periodic table of elements
  10. 20. a group of atoms
  11. 21. solution with over 7 pH
  12. 22. positively charged particle in atom
  13. 23. used to describe when a solid is put into a liquid and creates a solution
  14. 24. substance made of two or more elements.
Down
  1. 1. scale for measuring temperature
  2. 2. measure of th number of particles as a miss in a given volume
  3. 6. properties of how the element/compound reacted with others
  4. 7. smallest particle of an element.
  5. 8. last name of Russian scientist credited with periodic table
  6. 10. subatomic particle with no electric charge
  7. 11. earth metals.
  8. 12. silver colored metal usually tarnished by oxidation
  9. 13. temperature where liquid turns into a gas
  10. 14. negatively charged particle in atom
  11. 18. substance made only of one type of atom