Periodic Table Groups

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12345678910111213141516171819
Across
  1. 4. Contains gas, metalloids, and metals. Group 14
  2. 8. The last name of the man who discovered the negatively charged electron. He did this with his 'Cathode Ray' experiment
  3. 10. Discovered that electrons travel in fixed 'orbits' and used this to develop a 'planetary model' of the atom
  4. 12. The last name of the man who discovered the positively charged nucleus. He did this with his 'Golf Foil' experiment
  5. 13. Contains two gasses, two metalloids, and some metals. Group 15
  6. 14. Contains three non-metals and two metalloids. Found in Group 16
  7. 18. Very reactive metals ground in Group 1 of the Periodic Table
Down
  1. 1. A row on the periodic table
  2. 2. A column on a periodic table
  3. 3. Discovered a set of patterns with elements and used these patterns to organize the elements into the Periodic Table of Elements
  4. 5. The one or two letter abbreviation for an element. A chemical _______________.
  5. 6. High strength, light weight metals. Found in Group 13
  6. 7. Hard shiny solids with high melting points. Good conductors of heat and electricity. Found in Groups 3-12
  7. 9. A table that organizes the elements based off of their patterns and characteristics. It is called the __________ table of elements.
  8. 11. A very reactive group of non-metals. Group 17
  9. 15. The element number. It indicates how many protons an element has.
  10. 16. gases Very non-reactive gases. Used in balloons and neon signs.
  11. 17. Hard, dense, metals that are reactive. Found in Group 2 of the Periodic Table
  12. 19. The average mass of all of the isotopes of an element