chemistry
Across
- 1. a positive unit or subatomic particle that has a positive charge
- 4. a subatomic particle with a net charge that is negative
- 5. Group 7 on the Periodic Table and are all non-metals
- 7. earth metals the metals of Group 2 on the periodic table
- 8. metal elements that have incomplete d sub-shells, but also may be referred to as the d-block elements
Down
- 2. a neutral unit or subatomic particle that has no net charge
- 3. a substance possessing both the properties of metals and non-metals
- 6. metals the metals of Group 1 on the periodic table
- 9. a molecule that has gained or lost one or more electrons
- 10. gases group 18 elements, those whose outer electron shell is filled