Physical Science Vocab Puzzle

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Across
  1. 3. A substance that takes part in and undergoes change during a chemical reaction.
  2. 5. A substance that is formed as the result of a chemical reaction.
  3. 6. A group of atoms bonded together
  4. 8. The ability of a solid, liquid, or gaseous chemical substance to dissolve in a solvent.
  5. 11. Electrons in the outermost shell of an atom that determine its reactivity.
  6. 13. A chemical bond that involves the sharing of electron pairs between atoms.
  7. 14. A chemical bond formed through the electrical attraction between oppositely charged ions.
Down
  1. 1. Matter is neither created nor destroyed in a chemical reaction.
  2. 2. A reaction that requires the absorption of heat to proceed.
  3. 4. A reaction that releases energy in the form of heat or light.
  4. 7. The mass of an atom, roughly equivalent to the number of protons and neutrons
  5. 9. A tabular display of chemical elements organized by atomic number and properties
  6. 10. A substance that cannot be broken down into simpler substances by chemical means
  7. 12. The basic unit of a chemical element, consisting of protons, neutrons, and electrons