Across
- 2. Change: A change that transforms substances into new substances with different properties.
- 3. The smallest unit of matter, composed of protons, neutrons, and electrons.
- 6. Solid substance formed from a solution during a chemical reaction.
- 8. Change: A change affecting the form but not the composition of a substance.
- 10. of Mass: Mass cannot be created or destroyed in a closed system during changes.
- 11. A pure substance consisting entirely of one type of atom.
- 12. Anything that has mass and takes up space.
Down
- 1. A number in front of a chemical formula in an equation indicating quantity.
- 2. A substance formed from two or more elements chemically bonded.
- 4. Two or more atoms chemically bonded together.
- 5. Substances that start a chemical reaction.
- 7. of Matter: The physical forms of matter—solid, liquid, and gas.
- 8. Substances formed by a chemical reaction.
- 9. Equation: A symbolic representation of a chemical reaction.
- 12. A combination of substances that can be physically separated.