Across
- 2. Change of state from a gas to liquid.
- 3. Description of a substance that can be pounded or rolled into sheet.
- 5. Shiny, malleable, ductile element that conducts electricity.
- 6. Substance that strongly resist the flow of electricity.
- 7. Chemical reaction that absorb energy.
- 10. The smallest part of an element that is representative of that element.
- 14. Measure of atomic mass.
- 16. Vertical column of element in the periodic table.
- 18. Chemical combination of two or more elements in a specific ratio.
- 20. Change of state from a liquid to gas.
- 22. Change of state from solid to liquid.
Down
- 1. Chemical reaction that takes place in cell.
- 4. Ability to work.
- 7. Catalyst involved in a chemical reaction in living things.
- 8. Change of state from a gas to solid.
- 9. Slow chemical change that occurs when oxygen in the air reacts with a metal.
- 11. Number of protons in the nucleus of one atom of an element.
- 12. Group 17 elements in the periodic table.
- 13. Invisible negatively charged particle that orbits the nucleus of an atom.
- 15. A material that that electric charge can move through easily.
- 16. Chang of state from a liquid to solid.
- 17. Anything that has mass and occupies space.
- 19. Substance that helps a chemical reaction to proceed more quickly.
- 20. Chemical reaction that releases energy.
- 21. Amount of mass in a given volume of a substance.