Across
- 5. small amount of energy that is needed to start a reaction
- 6. substance formed from a reaction
- 8. energy released in a chemical reaction
- 9. a solid that is produced from a chemical reaction in a solution
- 10. mass cannot be created or destroyed
- 13. Zn+2HCl->ZnCl2+H2
- 14. amount that can speed up the rate of reaction
- 16. 2Na+Cl2->2NaCl
- 18. separates formulas of the reactants from the products
- 20. speeds up a chemical reaction
- 21. the amount of atoms in a chemical symbol
- 22. chemical symbols and numbers that represent a substance
- 23. a number that is placed in the front of a chemical symbol or a formula
Down
- 1. H2CO3->H2O+CO2
- 2. slows down a chemical reaction
- 3. uses chemical symbols and formulas to describe a chemical reaction
- 4. energy cannot be created or destroyed
- 7. the starting materials in a chemical reaction
- 11. gas that forms from a chemical reaction
- 12. energy absorbed in a chemical reaction
- 15. NaCl+AgF->NaF+AgCl
- 17. a substance or material's color gets changed
- 19. separates two or more compounds in the reactants and products
- 20. one or more substances change to make one or more new substances