Across
- 3. number the total number of protons
- 8. two or more atoms bonded together
- 11. This high energy subatomic particle is negatively charged
- 17. any element that insulates instead of conducts, is dull and brittle
- 18. this subatomic particle has a neutral charge
- 19. a word that describes low luster
Down
- 1. The most basic particle of an element
- 2. able to be bent or shaped without breaking
- 4. an atom that has lost or gained an electron, making it charged instead of neutral
- 5. the one or two letter representation of an element's name
- 6. mass The sum of protons plus neutrons
- 7. cloud the area outside the nucleus of an atom, made of energy levels
- 9. the rows on a periodic table that show how many energy levels an element has
- 10. the columns on a periodic table that show how many valence electrons an element has
- 12. the type of change that alters a compound's identity
- 13. a substance made of two or more KINDS of elements
- 14. this positively charged subatomic particle is in the nucleus
- 15. any element with high luster and conductivity, that is malleable when bent
- 16. the mass of an object divided by its volume