Across
- 2. when a reactant loses electrons
- 6. A + BC -> B + AC
- 7. tells you how many of an element there is
- 8. AB -> A + B
- 10. a substance made up of two or more elements
- 11. a negatively charged atom
- 12. CxHy + O2 → CO2 + H2O
- 13. when a reactant gains electrons in the product
Down
- 1. molecules made up of two atoms that are the same element
- 3. A+B -> AB
- 4. AB + CD -> AD + CB
- 5. a molecule with an uneven number of protons and electrons which causes them to have a charge
- 9. the large number in front of an element