Across
- 1. Californium Symbol
- 5. Invisible negatively charged particle that orbits the neclues of an atom
- 6. Slow chemical change that occurs when oxygen in the air reacts with metal
- 7. Hydrogen Symbol
- 12. something that resists electricity
- 14. Dull, Brittle element that does not conduct electricity.
- 15. A reaction that takes place when two or more substances form new substances
- 17. Neutral particle in a nucleus of an atom
- 18. Smallest part of a element
- 20. Gas,Solid,Gas
- 21. Combining of pure substance
- 22. Osmium Symbol
- 23. Change of state from solid to liquid
Down
- 2. Vertical column of elements in the periodic table
- 3. The most reactive element
- 4. Most reactive non metal
- 6. Change that results when two or more substances react to create a different substance or substances
- 8. Water's chemical formula
- 9. Number of protons in a nucleus
- 10. Group 1 elements in the periodic table. Not including oxygen
- 11. orbit of electrons around the nucleus of an atom
- 12. A compound made from metal and non-metal
- 13. Change of state from liquid to solid
- 16. An experiment in which is one or more products of a chemical reaction can escape
- 19. Oxygen symbol