Chapter 1.1 Vocabulary What is Matter?

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