Across
- 4. in the region of the electromagnetic spectrum including wavelengths from 100 to 380 nm.
- 5. Ability of one material to dissolve in or blend uniformly with another.
- 7. A chemical combination of two or more elements, or two or more different atoms arranged in the same proportions and in the same structure throughout the substance.
- 9. A gaseous element that makes up approximately 20% of the Earth’s atmosphere.
- 13. An organic compound containing only carbon and hydrogen.
- 16. A gaseous element that makes up approximately 80% of the Earth’s atmosphere.
- 19. A number used to represent the acidity or alkalinity of an aqueous solution.
- 20. A small glass or plastic tube used for the removal of small portions of fluid and can be also used for measuring the volume of liquids.
- 21. A chemical reaction in which oxygen combines with another substance; any reaction in which electrons are transferred.
- 23. A combination of chemical symbols that expresses a molecule’s composition.
- 24. liquids of various types having the function of dissolving the binder.
- 25. An atom, molecule or radical that has lost or gained one or more electrons, thus acquiring an electric charge.
- 26. Pale yellow powder used in dyes and acid-base indicator.
- 30. An instrument used to measure the intensity of a specific wavelength of light entering and leaving a solution.
- 31. An aliphatic hydrocarbon having the chemical formula C6H2n+2.
- 33. A positively charged atom, or group of atoms, or a radical that moves to the negative pole during electrolysis
- 35. To make a solution neutral pH of 7 (either acidic or basic) by adding a base to an acidic solution, or by adding an acid to a basic solution.
- 36. study of chemical reactions and properties of all the elements and their compounds, except for hydrocarbons
- 38. A laboratory flask primarily intended for the preparation of definite, fixed volumes of solutions.
Down
- 1. Ionization A type of mass spectrometry in which a molecule reacts under relatively low energy with a reagent gas rather than fragmenting extensively
- 2. A basic substance (pH greater than 7) that has the capacity to neutralize an acid and form a salt.
- 3. The use of water to lower the concentration or amount of a contaminant.
- 6. A concentrated standard solution used to prepare calibrators.
- 8. An analytical technique for identification of chemical structures, determination of mixtures, and quantitative elemental analysis.
- 10. The amount of a substance in a stated unit of a mixture or solution. Common methods of stating this are percent by weight, percent by volume, or weight per unit volume.
- 11. An organic compound having a hydroxyl (-OH) group attached.
- 12. A single, homogeneous liquid, solid, or gas phase that is a mixture in which the components are uniformly distributed throughout the mixture.
- 14. A colorless gaseous alkaline compound that is very soluble in water, has a characteristic pungent odor, and is lighter than air.
- 15. Unit of temperature (K) measurement used to measure the color temperature of light.
- 17. The method of analyzing the composition of a solution by adding known amounts of a standardized solution until a given reaction is produced.
- 18. The simplest element. Atomic number of 1.
- 22. A class of chemical compounds with carbon bases.
- 27. A physical state of matter that has low density and viscosity, can expand and contract greatly in response to changes in temperature and pressure.
- 28. Ability of a substance to chemically interact with other substances.
- 29. A negatively charged subatomic particle that circles the nucleus of the atom in a cloud.
- 32. The substance dissolved in a solvent.
- 34. 106 presently known substances made up of atoms with the same atomic number
- 37. The element upon which all organic molecules are based