Across
- 3. the number placed below the element after the symbol
- 7. when the amount of matter stays the same
- 8. production of chemical compounds by reaction from simpler materials
- 9. a number placed in front of a chemical symbol or formula
- 12. a way to represent a chemical reaction
- 14. substances initially present in a chemical reaction
- 15. equal number of atoms of each element on both side of the equation
Down
- 1. one or more substances are converted to one or more different substances
- 2. the simple form of a chemical reaction
- 4. points in the direction of the products
- 5. ions that have already been bonded
- 6. systematic names for chemical compounds
- 10. new material formed from the chemical reaction
- 11. NaCl
- 13. charge can be positive or negative, determined by their column