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Across 3. Gases that don't form compounds under normal circumstances. 7. The mass of one mole of substance. 11. The theory that states that equal volumes of any gas, measured at a constant temperature and pressure, contain equal numbers of molecules. 12. Conditions for this are 100 kPa, 298 K, and 24.8 L/mol. 13. Bonds between molecules. 14. An electrostatic bonding between particles 15. The reactant that limits the amount of product that can be formed in a reaction. 16. A solution in which the solvent is water. 17. A homogeneous mixture of solutes in solvent. 18. The state of matter with the closest particles that doesn't compress. 19. The reactant that remains when the reaction stops.

Down 1. The term for a large amount of solute per volume of solvent. 2. When the rate of particles dissolving equals the rate at which particles crystalize. 4. Conditions for this are 1 atm, 273 K, and 22.4 L/mol. 5. The most electromagnetic element. 6. Bonds inside molecules. 8. Pressure exerted by the air around us. 9. When a solute crystal becomes smaller and the amount of solute dissolved in the solvent becomes larger. 10. A substance that fills and assumes the shape of its container, difuses rapidly, and mixes readily with other gases. 12. The substance that dissolves into the solution.