Atomic Structure & Periodic Table Vocab.

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Across
  1. 2. consist of electrons that surround the nucleus
  2. 3. the name of the element
  3. 5. rows on the periodic table; represent amount of energy levels
  4. 7. the number of protons in the nucleus of an atom
  5. 10. 1 or 2 letters that determine the element
  6. 12. columns on the periodic table; tells how many valence electrons in an atom
  7. 16. electrons in the outermost energy level; looking to form chemical bonds
  8. 19. model of an atom
  9. 20. groups of elements based off similarities they share
Down
  1. 1. the center of an atom with protons and neutrons
  2. 4. how much the atom weighs
  3. 6. particle with negative charge
  4. 8. the elements between metal and non-metal
  5. 9. the elements on the periodic table in the far upper right corner of it
  6. 11. shows the valence electrons of an element
  7. 13. particle with positive charge
  8. 14. smallest building block
  9. 15. what most of the elements in the periodic table are classified as
  10. 17. particle with no charge
  11. 18. a place where all the elements are located