Across
- 2. property A characteristic of a substance.
- 3. A vertical column on the periodic table.
- 5. Each horizontal row of the periodic table.
- 7. element on the stair step the periodic table.
- 8. Elements to the left of the periodic table.
- 9. A substance that undergoes chemical changes.
Down
- 1. An element that does not respond.
- 2. A chart organizes info about elements.
- 4. electrons elements on the outermost.
- 6. Elements to the right of the periodic table.