periodic table

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Across
  1. 4. How many elements are in Period 3?
  2. 6. number how are elements arranged on the Periodic Table?
  3. 7. Hydrogen ( H on the Periodic Table) is a
  4. 8. How many elements can be found in Group 2?
  5. 9. what is the Atomic Number of Carbon
Down
  1. 1. what are the horizontal rows on the Periodic Table called?
  2. 2. which of the following is true about Lithium (symbol of Li on the Periodic Table)?
  3. 3. properties elements in the same groups have
  4. 5. What are the verticle rows of the Periodic Table called?