Across
- 2. A good conductor of both electricity and heat and is an element or compound.
- 4. A product of mixing.
- 5. Lots of the same molecules joined or bonded together.
- 7. The substances you end with in a chemical reaction.
- 9. The function of something.
- 10. A set of symbols that show the elements of a chemical compound.
- 11. Something that increases the rate of a chemical reaction.
- 12. The substances you start with in a chemical reaction.
- 15. The act or process of generalising.
- 19. A substance that can’t be broken down into other substances.
- 21. An element that doesn’t have the physical and chemical properties that a metal usually has.
- 22. The process of burning something.
- 23. table A table that has chemical elements arranged in order of atomic number.
Down
- 1. When a substance combines with other substances and goes through a change or transformation.
- 3. When a complex molecule breaks down to make simpler ones.
- 6. The area of the outside of an object.
- 8. A law that means matter can’t be created or destroyed.
- 13. The most basic unit of a chemical element that holds all the properties of that element.
- 14. It expands freely to fill any space available and is an air like fluid substance.
- 16. Something that lowers the activation energy in a reaction.
- 17. It is not a liquid or gas and is firm and stable in shape.
- 18. A conventional, printed or written figure used to represent something.
- 20. It flows freely but has a constant volume.