Across
- 3. the amount of matter in an object
- 7. a characteristic of matter That can be measured or observed without changing its physical appearance.
- 9. the amount of space a substance takes up
- 10. law that's states that energy is always transferring but energy is not created or destroyed.
- 12. the mass per unit volume of a substance
- 13. a number placed in front of an element symbol or chemical formula in an equation.
- 15. a charecteristic of matter that can be observed as it changes to a different type of matter
- 16. a process in which atoms of one or more substances rearrange to form one or more new substances.
- 17. a substance producted by a chemical reaction
- 18. a change in matter in which the substance that make up matter and changes into another substance with different chemical and physical substances
Down
- 1. law that states the total mass of the reactants before a chemical reaction is the same as the total mass of the products after the chemical reaction
- 2. the energy released when atoms form bonds.
- 4. the ability of a type of matter to burn easily
- 5. occurs when substance react with oxide agents changing it to a new substance
- 6. more energy is required to is required to break the bonds of the reactants than is released when products form.
- 8. occurs when substance reacts with another substance making a new substance
- 11. more energy is released when the products from than is required to break the bonds in the reactants.
- 14. a starting substance in a chemical reaction