Periodic Table Crossword Puzzle

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Across
  1. 1. This element in the carbon family is essential for life
  2. 6. Known as "earth metals," these elements are found in the second column
  3. 8. The first element of period 2
  4. 10. This family contains metals like lithium, sodium, and potassium
  5. 12. Elements in this group tend to form salts when combined with metals
  6. 13. Another name for the vertical columns of the periodic table
  7. 15. The family that includes nitrogen and phosphorus
  8. 16. Group of elements often used in batteries and glass
  9. 17. The column number for noble gases on the periodic table
  10. 19. The horizontal rows on the periodic table
Down
  1. 2. This family of metals includes beryllium and magnesium
  2. 3. Group 18 elements are called ___ gases
  3. 4. The group of elements known for being highly reactive metals
  4. 5. The family of elements that includes chlorine and fluorine
  5. 7. The number of groups on the periodic table
  6. 9. The family that contains hydrogen, which is unique in its own right
  7. 11. The number of periods in the periodic table
  8. 12. The family of elements that includes chlorine and fluorine
  9. 14. This family is known for being very stable and nonreactive
  10. 18. Period 4 has this element commonly used in jewelry