Across
- 3. positively charge subatomic particle
- 5. name for the group 7 elements
- 7. property of group 0 elements due to their full outer electron shells
- 8. charge on a neutron
- 9. table containing info about all of the elements
- 14. found on the left hand side of the periodic table
- 15. metals found in the middle section of the periodic table
- 16. rock containing a metal
- 17. only contains one type of atom
Down
- 1. discovered by James Chadwick
- 2. columns in the periodic table
- 3. rows in the periodic table
- 4. layers where the electrons are arranged
- 6. meeting the needs of the current generation without compromising the needs of the future
- 10. negatively charged subatomic particle
- 11. group containing the alkali metals
- 12. a charged particle
- 13. safe drinking water
