Periodic Table of Elements Crossword
Across
- 3. What element has the atomic number 82 on the periodic table?
- 7. Which direction does atomic radius increase?
- 9. What is the second most reactive element in alkali metals?
- 10. What element has the least electron shells?
- 13. Boron, Silicon, Germanium, Arsenic, Antimony, Tellurium, Astertine
- 16. Atoms attract electrons towards itself
- 18. Element organisms need to survive
- 19. What material makes up most of the periodic table?
- 20. What element is the heaviest?
Down
- 1. What represents the number of valence electrons on an atom?
- 2. What element has the largest atomic radius?
- 4. What is the name of the 18th column in the periodic table?
- 5. What is the most reactive element in the Halogens?
- 6. What is the element with the lowest boiling point?
- 8. What element has the atomic number 38?
- 11. Who proposed the idea of the periodic table?
- 12. What is the name of the metals in column one?
- 14. What element has the highest boiling point?
- 15. Which direction does atomic radius decrease?
- 17. What represents the number of shells on an atom?