Concept 2

2. group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
4. electrons- the electrons located at the outermost shell of an atom.
6. - physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy.
7. tension-the tension of the surface film of a liquid caused by the attraction of the particles in the surface layer by the bulk of the liquid, which tends to minimize surface area.
8. substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy.
10. thing that is composed of two or more separate elements; a mixture.
12. a tendency to mix with, dissolve in, or be wetted by water.
13. positively charged ion, i.e. one that would be attracted to the cathode in electrolysis.

1. assets in excess of liabilities; able to pay one's debts.
3. negatively charged ion, i.e. one that would be attracted to the anode in electrolysis.
5. to repel or fail to mix with water.
9. minor component in a solution, dissolved in the solvent.
11. means of solving a problem or dealing with a difficult situation.