Across
- 2. five what period is tin located in?
- 3. has 27 protons and electrons
- 7. atomic mass is 12
- 8. this element has 10 electrons
- 11. 36 electrons
- 14. atomic number is 59
- 16. atomic mass-atomic number
- 19. this element 84 protons
- 20. The most reactive non-metal
- 22. rare earth metal
- 24. this element has an atomic mass of 98
- 26. which alkali earth metal element is the biggest
- 27. atomic mass is 108
Down
- 1. 1 proton
- 4. how many protons does zinc have?
- 5. most eon alkali metal
- 6. atomic mass is 11
- 9. element symbol is Ti
- 10. has 79 electrons
- 12. name is a coin
- 13. which element is a non-metal:Xe (54) or Sc (21)
- 14. 78 protons
- 15. atomic number is 8
- 17. period 3, group 14
- 18. has 40 electrons
- 21. vanadium,find the neutrons
- 23. what element has 114 neutrons
- 25. 80 electrons,121 neutrons
- 28. what element has 125 neutrons