Across
- 1. pure substance made of only one kind of atom
- 4. definite volume and shape
- 6. verticle columns on periodic table
- 9. horizontal rows of elements
- 10. subatomic particle that has no charge
- 11. blend of two or more kinds of matter
- 13. smallest unit of element that maintains properties of elemt
- 16. solid,liquid,gas,plasma
- 19. mass of chemical element
- 20. mixtures uniform in composition
- 21. the combining power of an element
- 22. subatomic particle that has a positive charge
Down
- 2. positively charged region at the center of atom
- 3. the change of a state from a liquid to a gas
- 5. definite volume but indefinite shape
- 7. a tabular army of the chemical elements
- 8. the change of a state from a solid to liquid
- 12. a subatomic particle that has a negative charge
- 14. mixtures that are not uniform
- 15. has neither definite volume nor shape
- 16. substance able to disolve
- 17. number of protons in the nucleus of an atom
- 18. substance made from the atoms of 2 or more elements