Across
- 4. Mass is neither created nor destroyed, it only changes form.
- 6. The volume of a gas equals a constant value multiplied by its temperature measured in kelvins.
- 9. A form of matter that takes the shape of volume of its container.
- 11. Physical changes caused mainly by heating or cooling a substance.
- 13. Chemical reaction involving the rearrangement of atoms.
- 15. Classes of substances characterized by high electical and thermal conductivity, malleability, ductility and high reflectivity of light.
- 16. Substance that can be observed without changing the composition.
- 21. A substance obtained from another in chemical change.
- 23. Mixture consisting of two or more phases.
- 25. the product of a pressure and volume of a gram molecule of an ideal gas is equal to the product of the absolute temperature of the gas and universal gas constant.
- 28. An element with characteristics unlike metals.
- 32. A property relating to chemical reactivity.
- 34. A property dependent on the type of matter not amount.
- 36. A way to describe the behavior of atoms in a substance.
- 38. A substance with properties typical of both metals and non-metals.
- 39. table A table of elements arranged in order of atomic number.
- 40. Pressure, temperature, and volume are related.
- 41. A change in color, texture, flexibility, density, or mass.
- 42. Conversion of a solid to a liquid.
- 43. the mass of elements divided by the mass of the compound times 100.
- 44. A substance made from only one atom or molecule.
- 45. Every chemical compound contains fixed and constant proportions by mass of its elements.
- 46. A group of rare gases in the periodic table.
Down
- 1. The pressure of a given quantity of a gas varies inversely with its volume at a constant temperature.
- 2. Under the same temperature and pressure conditions, equal volumes of different gases have the same number of molecules.
- 3. Pressure is inversely proportional to volume.
- 5. The pressure of a mass of a gas varies directly with the absolute temperature of the gas.
- 7. Converting a liquid to a vapor and then back to a liquid.
- 8. A gas whose atoms have lost some or all electrons.
- 10. A form of matter with definite shape and volume.
- 12. The combination of two or more substances.
- 13. Method used by scientists to seperate organic and inorganic compounds so that they can be studied.
- 14. Gaseous state of a substance that is usually solid or liquid.
- 17. A property that depends on the amount of matter in a sample.
- 18. Column of elements on the periodic table.
- 19. Solidification of atoms into a strong form.
- 20. Any substance composed of identical molecules consisting of two or more elements.
- 22. Two elements combine with each other to form more than one compound with a fixed weight.
- 24. Amount of matter an object contains.
- 26. The simplest form of a substance.
- 27. The substance altered in a chemical reaction.
- 29. The processof removing solid particles in a liquid or gas using a screen-like medium.
- 30. Horizontal row of the periodic table.
- 31. A physical substance with different shapes.
- 33. A form of matter with an indefinite shape flows and has a fixed volume.
- 35. Mixture in which composition is uniform throughout.
- 37. A defining particle of matter.