Name_________________________ Period___________ The Periodic Table Crossword Chapter 7 – The Periodic Table Contreras 11/29/09 Name_________________________ Period___________ Across 1. Metalloids have about ________ a complete set of valence electrons. 2. Most metals are ________ at room temperature. 6. Vertical column from top to bottom. 7. Border the zigzag line. 10. The most reactive metals. 12. Group containing one metalloid and five metals. 13. Group 14 is also known as the _________ __________. 14. Found to the left of the zigzag line. 16. Most nonmetals are ________ at room temperature. 17. Right of the zigzag line. 19. Another name for a group. Down 1. Most abundant element in the universe. 3. Horizontal row from left to right. 4. Group containing 5 valence electrons. 5. Largest group on the periodic table. 8. The periodic table repeats every _______ elements. 9. Most reactive group of nonmetals. 11. Elements are arranged based on their ________ __________. 15. Physical and chemical properties ________ across each period. 18. Unreactive nonmetals, also known as inert gases. Chapter 7 – The Periodic Table Contreras 11/29/09