Across
- 2. - representation of a chemical reaction using chemical symbols, subscripts, and coefficients
- 3. - to produce
- 4. system - a system in which matter and energy exchanges do not occur across boundaries
- 6. - according to the law _____ cannot be created or destroyed
- 7. - elements or compounds that enter into a chemical reaction
- 8. system - a system in which exchanges of matter or energy occur across system boundaries
Down
- 1. - elements or compounds produced by a chemical reaction
- 2. - number in front of a chemical formula in an equation; how many molecules or atoms of each reactant and product are involved in a reaction
- 5. - number written slightly below and to the right of a chemical symbol; how many atoms of an element are in a compound
