Across
- 3. is a unique abbreviation for an element on the periodic table
- 4. combination of symbols that show the makeup of a compound
- 8. type of system exchanges matter with its surroundings
- 10. represents the number placed in front of a chemical formula in a balanced chemical equation
Down
- 1. number written below the line that identifies the number of atoms of an element in a compound
- 2. is a characteristic of matter that can be observed as it changes to a different type of matter.
- 5. type of system does not exchange matter with its surroundings
- 6. law states that mass is neither created nor destroyed in a chemical reaction
- 7. consists of reactants and products, showing the chemical formula of each substance in a reaction.
- 9. In a chemical reaction, the substances to the left of the arrow are called