Periodic Table

Edit Answers
12345678910111213141516171819
Across
  1. 2. Families are listed in this direction?
  2. 4. What is the rarest naturally occurring element on the periodic table?
  3. 8. These elements are good conductors of heat and electricity?
  4. 9. The ___ ___ metals are found beneath the periodic table.
  5. 12. What is the first element on the periodic table?
  6. 13. Atomic number increases by ____ as you move left to right through the table?
  7. 14. These are found on the zigzag line between metals and nonmetals?
  8. 15. These are to the right of the stairstep line?
  9. 17. These Elements on the periodic table rarely form chemical bonds with other elements?
  10. 18. Lanthanides and ____ are found beneath the periodic table of elements.
  11. 19. Elements in the same family share similar ____ properties?
Down
  1. 1. Metalloids are also called this?
  2. 3. Noble gases are the ___ reactive on the periodic table.
  3. 5. The largest family in the periodic table is?
  4. 6. ___ ___ are the most reactive on the periodic table of elements.
  5. 7. How many periods are in the periodic table?
  6. 10. This family is highly reactive and has a tendency to form salts?
  7. 11. Who created the periodic table of elements?
  8. 12. Periods are listed in this direction?
  9. 16. What is the densest element on the periodic table?