Across
- 4. What is produced after a chemical reaction
- 7. Substances used for a chemical reaction, for eg: Oxygen and Hydrogen
- 10. In what physical state do particles move freely around
- 12. A process of a substance spreading in gas and water, temp can affect speed
- 13. Survives with oxygen, heat and a fuel if some sort
- 15. 2 atoms chemically fused together
- 18. Name of test for this gas is called the "squeaky pop"
- 19. Most salts are not acidic but _________
- 20. Can not be broken down any further, makes up the periodic table
Down
- 1. Which type of energy can be released during a chemical reaction
- 2. A product of oxygen and iron
- 3. A waste product of oxygen
- 5. What is produced during a chemical reaction that can be seen through bubbles
- 6. Used for respiration
- 8. Used to make alkali salts
- 9. A group of atoms joined together, they can contain diffrent or same atoms
- 11. What is hydrogen + oxygen
- 14. What a compound will end in if 2 elements are used, for eg: iron oxide
- 16. which one of these is a element, Na or CO
- 17. A process involving reactants