Across
- 2. one negative and positive charge
- 4. the type of metal in the center of the periodic table
- 6. how easy to react
- 9. type of element that is not a metal
- 11. the variable you purposely change
- 13. the table were all the elements are placed
- 16. the most outer shell
- 20. The element in group one period 8
- 21. the element needed for good bone strength
- 22. A subatomic particle with a positive charge
- 23. A particle which makes up the nucleus and starts with ‘n’
- 24. something which surrounds the nucleus
- 26. a other nonmetal with 5 as the atomic number
- 27. A molecule or with a electric charge
- 28. makes up more than 50% of the periodic table
- 29. the type of science focusing on the elements
Down
- 1. the element that is in a banana
- 3. The element needed to survive
- 5. the number of protons and neutron
- 7. a bond created by sharing electrons
- 8. The only metal the is liquid at room temperature
- 10. a compound with two or more metals
- 12. the gases which barely or don’t have a reaction
- 14. element with the atomic weight of 56
- 15. An element which coal primarily releases
- 17. the maximum number of electrons and protons on a shell
- 18. A gas element with only one proton
- 19. A vertical column in the periodic table
- 22. A horizontal on the periodic table
- 23. The Periodic Table of… complete the sentence
- 25. Element known to make your voice squeaky