chemistry
Across
- 2. doesn't have the characteristics of metal
- 4. rare earth element with symbol Pr and atomic number 59
- 6. chemical reaction in which a radical removes a proton from a molecule
- 9. the three-dimensional space occupied by a solid, liquid, or gas
- 10. a separation of electrical or magnetic charges
- 12. unable to dissolve in a solvent
- 14. deoxyribonucleic acid
- 15. electrically neutral group of two or more atoms held together by chemical bonds
- 18. mediated by magnetic fields.
- 19. fundamental piece of matter
- 20. process of converting a material from a solid or gas phase into the liquid phase
- 22. the action or process of filtering something
- 23. unit of length in the imperial and United States customary systems of measurement
- 30. branch of science that involves the study of the composition
- 35. spontaneous emission of radiation as particles or photons from a nuclear reaction
- 36. most prominent organelle in a cell
- 37. mixture that has the same proportions of its components throughout any given sample
- 38. results from a combination of two or more different chemical elements
- 40. metalloid with element symbol Ge and atomic number 32
- 42. phase transition from solid phase directly to vapor phase
- 43. removing a liquid layer that is free of a precipitate, or the solids deposited from a solution
- 46. positive electric charge
- 47. an aqueous solution with a pH greater than 7
- 49. phase transition from the liquid to gas state
- 50. solidification of atoms or molecules into a highly structured form called a crystal
- 51. substance that is dissolved in a chemical solution homogeneous mixture of two or more substances
Down
- 1. nearly incompressible fluid
- 3. a substance that contains an -OH group attached to a hydrocarbon
- 5. process of settling or being deposited as a sediment
- 7. matter remaining after evaporation or distillation
- 8. measure of heat or cold
- 11. superfluid phase formed by fermionic particles at low temperatures
- 13. pure substance
- 16. group of 8 valence electrons around an atom
- 17. state of matter in which an ionized gaseous substance becomes highly electrically conductive
- 21. organic molecule comprised of a nucleotide base, ribose or deoxyribose, and one or more phosphate groups
- 24. thread-like structures located inside the nucleus
- 25. able to be shaped or pounded with a hammer, usually applied to metals
- 26. processes of living organisms
- 27. radioactive gas with element symbol Rn and atomic number 86
- 28. movement of gas through a pore or capillary into a vacuum or another gas
- 29. separation by inner molecular attractions.
- 30. ion with a positive electrical charge
- 31. the number of digits in a value, often a measurement, that contribute to the degree of accuracy of the value
- 32. unit of mass equal to the mass of one cubic centimeter of water at 4°C
- 33. is the name for the element with atomic number 8 and is represented by the symbol O
- 34. substance formed as a result of a chemical reaction
- 39. starting material for a chemical reaction
- 41. occupies physical space
- 44. mass per unit volume
- 45. action of purifying a liquid by a process of heating and cooling
- 48. prefix meaning "one thousand"