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