Across
- 4. Errors caused by limitations in the instruments or techniques or experimental design.
- 6. The 66th element on the Periodic table of elements.
- 7. A material made up of two or more different substances which are physically combined.
- 12. The point in temperature when the liquid starts to boil.
- 13. Property that changes when the amount of matter in a sample changes.
- 14. a way to separate a substance by using a medium to hold one of the substances back. (i.e. using a sift)
- 17. The point in temperature when the solid starts to liquefy.
- 21. Substance formed when two or more chemical elements are chemically bonded together.
- 24. A type of matter with fixed composition.
- 25. The simplest substance and hence cannot be broken down using chemical reactions.
- 26. The relationship between the mass of the substance and its volume.
- 29. Group of element that readily forms positive ions (cations) and has metallic bonds.
- 31. A process involving applying centrifugal force to detach particles from the solution by their scale, shape, density, medium and rotor speed viscosity.
- 32. a phase of matter that has both indefinite volume and shape.
- 33. Solid to Liquid.
- 34. a phase of matter that has a definite volume and shape.
- 35. Type of mixture that has the same proportions or uniform composition.
- 39. The 24th element on the Periodic table of elements.
- 40. Type of mixture that has no uniform composition.
- 42. A positively charged ion.
- 45. The basic building block for all matter in the universe.
- 46. The resistance to flow by a fluid.
- 47. Liquid to Gas.
- 48. Positively charged center of the atom that contains most of the mass.
- 50. group of elements that has physical properties of a metal, and chemical properties of a nonmetal.
Down
- 1. Characteristic of a material you can observe without changing the identity.
- 2. Particles in a atom with a positive charge.
- 3. The sum of the number of protons and neutrons.
- 5. The 44th element on the Periodic table of elements.
- 8. A change in size, shape, or state.
- 9. Gas to Solid.
- 10. Refers to the number of important single digits (0 through 9 inclusive) in the coefficient of an expression in scientific notation.
- 11. A process for separating substances by evaporating a liquid and recondensing its vapor.
- 13. Particles in a atom with a negative charge.
- 15. Universal Solvent.
- 16. Type of mixture with particles that are larger than those in solutions, but not heavy enough to settle out.
- 18. Gas to Liquid.
- 19. Liquid to Solid.
- 20. Effect that is known for scattering of light by colloidal particles.
- 22. A change of one substance to another.
- 23. Errors that result from random fluctuations.
- 27. Number of protons in an atom is equal to a number called ___?
- 28. Characteristic of a substance that indicates whether it can undergo a chemical change.
- 30. Anything that has mass and takes up space and has volume.
- 36. Homogeneous mixture with particles so small that they cannot be seen with a microscope.
- 37. Property of matter that depends only on the type of matter in a sample and not on the amount.
- 38. Particles in a atom with no charge.
- 41. Solid to Gas.
- 43. Materials that are able to be hammered.
- 44. A positively charged ion.
- 49. a phase of matter that has a definite volume and indefinite shape.