Across
- 3. anything that has mass and volume
- 7. neutral charge
- 8. a state of matter that expands to fill its container
- 9. a measure of how much space something occupies
- 11. table a table of chemical elements arranged in order of atomic number
- 14. group two of the periodic table
- 18. two or more atoms chemically bonded
- 19. a state of matter that does not take up the space of it's container
- 20. two or more substances that are not chemically bonded
- 21. made of one type of atom
Down
- 1. group one on the periodic table
- 2. positive charge
- 4. a state of matter that is in between a solid and a gas
- 5. group eighteen of the periodic table
- 6. two or more elements chemically bonded
- 10. a measure of how much space something takes up (is similar to weight)
- 12. simplest particle of an element
- 13. negative charge
- 15. a state of matter that fills the container
- 16. a gas made of nitrogen, oxygen, and argon
- 17. group seventeen of the periodic table