Across
- 4. a molecule that is a subunit or building block of a polymer.
- 5. the closeness of a measurement to a true or accepted value
- 7. unit of thermal energy; the amount of energy required to raise the temperature of 1 gram of water 1 degree C or K at standard pressure
- 10. the name for the element with atomic number 7 and is represented by the symbol N.
- 11. natural mixture of polycyclic aromatic hydrocarbons (PAHs).
- 12. the name for the element with atomic number 53 and is represented by the symbol I.
- 16. instrument designed to measure heat flow of a chemical reaction or physical change.
- 18. measure of the amount of light absorbed by a sample.
- 21. the name for the element with atomic number 6 and is represented by the symbol C.
- 23. solution containing a small amount of solute relative to the amount of solvent.
- 25. study of matter and energy and the interactions between them
- 27. deoxyribonucleic acd, an organic molecule that codes for proteins
- 28. is the name for the element with atomic number 5 and is represented by the symbol B.
- 30. substance that increases the chemical reaction rate by decreasing its activation energy.
- 32. state of matter characterized by having neither a defined shape nor defined volume.
- 36. an aqueous solution with a pH greater than 7.
- 37. binding of an element to itself via covalent bonds, forming a chain or ring
- 39. mass per unit volume.
- 40. is a protein that functions as a catalyst for a chemical reaction.
- 42. transition metal with element symbol Bh and atomic number 107.
- 43. a grayish-white usually hard and brittle metallic element that resembles iron but is not magnetic and is used especially in alloys, batteries, and plant fertilizers
- 45. a medium believed to carry light waves in the 18th and 19th century.
- 47. the name for the element with atomic number 24 and is represented by the symbol Cr
- 48. a chemical species that accepts electrons or donate protons or hydrogen ions.
- 49. an electrical charge, a conserved property of subatomic particles determining their electromagnetic interaction.
- 50. metal with atomic number 50 and element symbol Sn.
- 53. the name for the element with atomic number 89 and is represented by the symbol Ac. It is a member of the actinide group.
- 54. noble gas with element symbol Ne and atomic number 10.
- 56. the name for the element with atomic number 20 and is represented by the symbol Ca.
- 57. rare earth metal with element symbol Ce and atomic number 58.
Down
- 1. a homogenous mixture in which dispersed particles do not settle out.
- 2. study of matter at extremely low temperatures
- 3. are considered to be elements 90 (thorium) through 103 (lawrencium).
- 6. instrument used to measure atmospheric pressure.
- 8. stable negatively charged subatomic particle.
- 9. the mixture of gases that make up the Earth's atmosphere, consisting mainly of nitrogen, with oxygen, water vapor, argon, and carbon dioxide.
- 13. the name for the element with atomic number 8 and is represented by the symbol O. It is a member of the nonmetal group.
- 14. the name for the element with atomic number 28 and is represented by the symbol Ni.
- 15. a substance that forms ions in aqueous solution.
- 17. process by which atoms, ions, or molecules enter a bulk phase
- 19. the name for the element with atomic number 83 and is represented by the symbol Bi.
- 20. a substance that contains an -OH group attached to a hydrocarbon.
- 21. e name for the element with atomic number 55 and is represented by the symbol Cs
- 22. a chemical link formed between atoms in molecules and molecules and ions in crystals.
- 24. the name for the element with atomic number 35 and is represented by the symbol Br.
- 25. transition metal that is atomic number 27 with element symbol Co.
- 26. electrode where reduction occurs; usually the negative electrode.
- 29. the anode or cathode of an electrical cell.
- 31. combination of two or more substances such that each retains its separate chemical identity (e.g., salt and flour).
- 33. substance made by melting together two or more elements, at least one of which must be a metal.
- 34. alkaline earth metal with element symbol Ba and atomic number 56.
- 35. is an alloy of copper, usually containing tin as its main addition.
- 36. Several definitions of alchemy exist. Originally, alchemy was an ancient tradition of sacred chemistry used to discern the spiritual and temporal nature of reality, its structure, laws, and functions.
- 38. physical property of matter describing the ability to return to original shape after deformation.
- 41. is element atomic number 68 on the periodic table.
- 42. chemical species that either accepts protons or else donates electrons or hydroxide ions.
- 44. products of a combustion reaction, aside from heat and light (e.g., carbon dioxide).
- 46. radioactive gas with element symbol Rn and atomic number 86.
- 51. the name for the element with atomic number 48 and is represented by the symbol Cd.
- 52. a solute passing into solution, usually a solid going to the liquid phase.
- 55. is defined as an alloy of copper and zinc.