Across
- 2. element that has both metallic and non-metallic properties
- 4. the most reactive of the metals
- 7. A change that results when two or more substances react to create a different substance.
- 11. Anything that has a mass and occupies space.
- 12. Description of a solid that can be stretched into a long wire.
- 13. Substance made of only one kind of matter, which has a unique set of properties.
- 15. a pure substance formed when non-metals combine
- 20. Pure substance that can not be broken down into other substances.
- 21. Chemical combination of two or more elements in a specific ratio.
- 24. Description of a substance that can be pounded or rolled into sheets.
- 25. A table in which the elements are organized by there physical and chemical properties.
Down
- 1. Ability of a substance to conduct electricity or heat.
- 3. a fundamental principal that energy cannot be created or destroyed
- 5. Mass of a substance that can dissolve in a given amount of solvent.
- 6. The point at which temperature a substance will begin to melt at.
- 8. a change of stae from a solid to a liquid
- 9. is the mass of one atom of an element
- 10. a combination of symbols that represent a compound
- 14. The point at which temperature a substance will begin to boil at.
- 16. A change in which the appearance or state of a substance that does not change composition.
- 17. Characteristics that describe a particular substance.
- 18. shiny, malleable and ductile element that conducts electricity
- 19. a substance that strongly resists the flow of electricity
- 22. Substance that helps a chemical reaction to proceed more quickly.
- 23. the sum of the number of protons and neutrons in a atom