Across
- 2. changed when combined with another substance
- 5. number of characteristics of element that represents number of proton in the nucleus
- 8. made of atoms of one kind and can't be separated by chemical reaction
- 9. small amount of something
- 11. brittle not thin or flat can be a liquid
- 14. formed with heat
- 15. atomic particles found in the nucleus of an atom and carries a positive charge
- 16. mix of metal and nonmetal
- 17. weight of substance
- 18. electrons in outer most orbital
- 22. ring or shell
- 23. form something with two substances
Down
- 1. thin pieces of metal
- 3. rare gas include helium or neon or argon
- 4. can't be distorted by a chemical reaction
- 6. smallest part of an element
- 7. center part of an atom made up of protons or neutrons
- 10. row that goes up and down
- 12. shiny good conductor of heat and electricity
- 13. absorbed heat
- 19. atomic particles in the nucleus of an atom and carries a negative charge
- 20. horizontal row on the periodic table
- 21. letter of up to two to sort out the elements
- 24. atomic particles in the nucleus of an atom and carries no change