Across
- 1. an element or compound
- 3. the amount of space that an object occupies, measured in liters or centimeters cubed
- 4. the amount of matter in an object
- 8. a change in matter that does not affect its chemical composition
- 9. a measure of the average kinetic energy of the atoms in a system
- 10. A chaeacteristic that can be observed
- 11. the smallest unit of an element that has the properties of that element
- 13. material that has mass and takes up some amount of space
- 15. a chemical change; a process that changes substances into new substances
- 16. the transfer of thermal energy
Down
- 1. a characteristic of a substance that is measurable or observable during a chemical reaction; includes pH, heat of combustion, reactivity, etc
- 2. a weak type of chemical link between a negatively charged atom and a hydrogen atom that is bonded to another negatively charged atom
- 5. a combination of substances that can be physically separated from one another
- 6. a pure substance that cannot be broken down into simpler substances by chemical reactions
- 7. a process that changes substances into new substances product
- 12. the substances present before a chemical reaction occurs;
- 14. The ability to do work or cause change
