Across
- 3. if its composition is identical wherever you sample it - it has uniform composition and properties throughout.
- 7. was created by scientists in 1995. Using a combination of lasers and magnets
- 8. the process of associating numbers with physical quantities and phenomena.
- 9. involves the qualitative and quantitative determination of the chemical components of substances.
- 11. consists of atoms of two or more different elements bound together.
- 12. of two or more different elements and/or compounds physically intermingled.
- 13. the amount of space that a substance or object occupies, or that is enclosed within a container, especially when great.
- 15. Any characteristic that can be determined without changing the substance’s chemical identity.
- 16. is the characteristic of visual perception
- 17. the process of separating components of mixtures by using magnets to attract magnetic materials.
- 20. is the way light interacts with the surface of a crystal, rock, or mineral.
- 21. palladium
- 22. is a technique used for the separation of particles from a solution according to their size, shape, density, viscosity of the medium and rotor speed.
- 27. the action or process of filtering something.
- 29. is the temperature at which the vapor pressure of a liquid equals the external pressure surrounding the liquid.
- 32. Any characteristic of matter that depends on the amount of matter being measured.
- 33. is a technique used to separate out homogenous mixtures where there is one or more dissolved solids.
- 35. is defined by Weingart as “a process whereby the use of and claim to systematic and certified knowledge produced in the spirit of 'truth-seeking'
- 39. the particles are more loosely packed than in a solid and are able to flow around each other, giving the liquid an indefinite shape.
- 40. is the study of the properties and behaviour of inorganic compounds.
- 42. is a measure of how easily a substance bursts into flame, through fire or combustion.
- 43. particles are packed tightly together so they don't move much.
- 44. Neodymium
- 46. is a mixture in which one substance of microscopically dispersed insolube or solube particles is suspended throughout another substance
- 48. Silver
- 49. defined as substances that are made of only one type of atom or molecule.
- 50. a table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns.
- 51. the state of being thick
Down
- 1. the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances.
- 2. Mercury
- 4. is a class of physical phenomena that are mediated by magnetic fields.
- 5. mixture that has components in which proportion vary throughout the sample
- 6. Any characteristic of matter that does not depend on the amount of the substance present.
- 10. is a measure of the amount of matter in an object
- 14. is not a common state of matter here on Earth, but it may be the most common state of matter in the universe, according to the Jefferson Laboratory.
- 18. whether it will break into charge with water or not
- 19. involves the study of the structure, properties, and preparation of chemical compounds that consist primarily of carbon and hydrogen.
- 23. The degree to which a substance can harm humans or animals.
- 24. Neptunium
- 25. is everything around you.
- 26. consists of only one kind of atom.
- 28. is an effective method to separate mixtures comprised of two or more pure liquids.
- 30. is a separation method used to separate out pure substances in mixtures comprised of particles some of which are large enough in size to be captured with a porous material.
- 31. the particles have a great deal of space between them and have high kinetic energy.
- 34. aluminum chemical formula
- 36. is the separation of a mixture by passing it in solution or suspension or as a vapor through a medium in which the components move at different rates.
- 37. the study of the effect of chemical structure on the physical properties of a substance.
- 38. is the study of chemical reactions that take place in living things. It tries to explain them in chemical terms.
- 41. Any characteristic that can be determined only by changing a substance’s molecular structure.
- 45. an act of being accurate
- 47. Lithium