Across
- 2. metals-group one on the periodic table
- 3. Hazardous Materials Information System
- 4. negatively charged particle
- 7. change-change that result when two or more substances react to create a different substance or substances
- 8. that has become electrically charged because it has lost or gained electrons a positive ion is an atom that has lost one or more electrons a negative ion
- 9. table-a table where all the elements are
- 10. system-an experiment in which one or more products of a chemical reaction can escape 0
Down
- 1. that has mass and occupies space
- 4. substance that cannot be broken
- 5. charged center of an atom
- 6. Cell-cell that produced electricity by means of a chemical reaction that cannot be reversed