Across
- 3. A property of metals which allows electricity and heat to go through them.
- 4. The bottom number in the periodic table that is equal to the number of protons plus the number of neutrons in the nucleus.
- 5. The center of an atom that contains the protons and neutrons
- 6. The process by which one or more substances change chemically to produce one or more different substances with new properties.
- 7. Any property use to characterize matter
- 11. a solid substance produced as a result of a chemical change.
- 13. The top number on the periodic table that is equal to the number of protons in one atom of that element.
- 16. The positively charged particle within an atom found within the nucleus
- 19. The area outside the nucleus where the electrons are located.
Down
- 1. An electron located in the outermost energy level in an atom and determine the reactivity of an element.
- 2. A property of metals that makes them shiny.
- 3. The property of matter that describes whether or not an element will react and go through a chemical change.
- 8. a change within a substance that changes the appearance of a substance but does not change its properties.
- 9. A solid that forms as a result of a chemical change between two liquids.
- 10. Describes how an element will go through a chemical change
- 12. The smallest unit of matter.
- 14. A property of metals that makes them able to be molded or shaped.
- 15. The neutrally charged particle found within the nucleus of an atom.
- 17. the negatively charged particle within an atom located outside the nucleus in the electron cloud
- 18. a property of metals that allows them to be stretched into a wire.