Across
- 3. contains an equal number of products
- 5. true or false a chemical equation represents a chemical reaction
- 7. the arrow in a chemical equation means to ?
- 8. is when one one compound breaks down into two or more simpler products
- 11. speeds up reaction
- 13. is also known as a skeleton equation
- 14. percent by a mass of each element in a compound
- 15. what is the molar volume
Down
- 1. the whole number in front of the formulas
- 2. tells the actual number of each kind of atom
- 4. formula tells the actual number of each kind of atom present in a molecule of a compound
- 6. is when two or more substances react to form a new substance
- 9. what law states that mass is neither created nor destroyed in a ordinary chemical reaction
- 10. formula lowest whole number ratio of the atoms
- 12. formula is used to determine the number of atoms