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Across 3. The process by which solvent molecules pass through a semipermable membrane from a dilute solution into a more concentrated solution 4. Physical properties of solutions that depend upon the number but not the kind of solute particles present 9. A compound consisting of two elements; may be ionic or covalent 10. A mixture where the components are easily seen, and are able to be physically separated 12. The most common chemical change 13. Conversion of a solid directly into a gas, without first melting into a liquid 16. An algebraic increase in the oxidation number; may correspond to a loss of electrons 18. Chemical bond formed by the sharing of one or more electron pairs between two atoms 20. In aqueous solution, the process in which a molecular compound reacts with water and forms ions 21. A procedure in which one solution is added to another solution until the chemical reaction between the two solutes is complete; the concentration of one solution is known and that of the other is unknown 23. A colloidal system composed of solid or liquid particles dispersed in a gas 24. A gas burner with adjustable air intake, commonly used in laboratories 27. he number of particles in one mole, equal to 6.02214199 × 1023 mol-1 30. show which elements are present in a compound, with their mole ratios indicated as subscripts 33. The vapor pressure of a solvent in an ideal solution decreases as its mole fraction decreases 35. Any form of a certain element that contains different numbers of neutrons than the other versions 37. A measure of the relative tendency of an atom to attract electrons to itself when chemically combined with another ato 40. Unit of electrical current; one ampere equals one coulomb per second 41. Concentration of a solution measured as the number of moles of solute per liter of solution 42. The particle of an element 43. A substance whose aqueous solutions conduct electricit 44. The reaction of a substance with water or its ions 45. Colloidal suspension of a liquid in a liquid 46. Also called Metalloids 47. Are compounds with identical molecular formulas but having differing structures

Down 1. Is an ester of glycerol and three fatty acids. 2. Numbers that describe the energies of electrons in atoms; derived from quantum mechanical treatment 3. An algebraic increase in the oxidation number; may correspond to a loss of electrons 5. The heat content of a specific amount of substance; defined as E= PV 6. The separation of a liquid mixture into its components on the basis of differences in boiling points. The process in which components of a mixture are separated by boiling away the more volitile liquid 7. The process of changing gas to liquid by cooling or applying pressure. 8. Two or more pure substances mixed together. 11. A liquid that evaporates readily 14. The sum of the numbers of protons and neutrons in an atom 15. Electrode at which reduction occurs 17. At constant temperature the volume occupied by a definite mass of a gas is inversely proportional to the applied pressure 19. A thermodynamic state or property that measures the degree of disorder or randomness of a system 22. These form coloured compounds 25. Separate certain colloids from impurities using artificial membrane of known permeability 26. The group of elements that are highly reactive 28. Description of the quantitative relationships among elements and compounds as they undergo chemical changes 29. Creator of the first version of the periodic table 31. The relative amount of the components in a system 32. The scattering of light by colloidal particles. 34. In a cathode ray tube, the positive electrode.Electrode at which oxidation occurs 36. The rates of effusion of gases are inversely proportional to the square roots of their molecular weights or densitie 37. A state of dynamic balance in which the rates of forward and reverse reactions are equal; the state of a system when neither forward or reverse reaction is thermodynamically favored 38. The temperature at which liquid and solid coexist in equilibrium; also the freezing point 39. A small molecule with three alcohol groups.It is a basic building block of fats and oils 41. The shape assumed by the surface of a liquid in a cylindrical container.