Periodic Table Crossword

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Across
  1. 4. Certain elements that are usually poor conductors of heat and electricity
  2. 7. An atom that has gained, or lost, one or more electrons
  3. 8. A group of elements within the Periodic Table that have similar chemical properties
  4. 11. The term to define something that cannot undergo a chemical change
  5. 14. The properties of elements, that when arranged in order of increasing atomic number, repeats in a regular pattern
  6. 15. A neutrally charged particle within the nucleus of an atom
  7. 17. Electron An electron on the outer energy level in an atom
  8. 19. The horizontal row of elements in the Periodic Table
  9. 20. A certain area in the Periodic Table that contains certain elements that are between metals and nonmetals
  10. 23. A negatively charged particle that resides in the energy levels in an atom
  11. 25. The term to describe the number of protons in the nucleus of an atom
  12. 26. Elements in the Periodic Table that are placed in Group 2A
  13. 28. The tendency of an atom to attract electrons within a formation called an “Ionic Bond”
  14. 30. The person who arranged the elements in order of increasing atomic number
Down
  1. 1. A quantity equal to one-twelfth the mass of a carbon-12 atom
  2. 2. The total number of protons and neutrons within the nucleus of an atom
  3. 3. Elements that are in Group 1A, the far left side, of the Periodic Table (Does NOT include Hydrogen)
  4. 5. Certain elements that are good conductors of heat and electricity
  5. 6. A process of adding, or removing, electrons from an atom
  6. 9. A Russian Chemist who created the first ever Periodic Table of Elements
  7. 10. A positively charged particle within the nucleus of an atom
  8. 12. The center of an atom (made up of protons and neutrons)
  9. 13. An element in the Periodic Table that has both properties of a metal and non-metal
  10. 16. The outer path where electrons move on (or revolve)
  11. 18. Different levels that contain a certain number of electrons
  12. 21. The smallest part of an element (can’t be broken down)
  13. 22. The term to define something that can undergo a chemical change
  14. 24. A vertical column of elements within the Periodic Table
  15. 27. Any atoms that contain the same number of protons but a different number of neutrons
  16. 29. The symbol for Atomic Mass Unit