Matter

Across

2. solid forms where atoms or molecules are highly organized into a crystal structure
3. if two elements form more than one compound, then the ratios of the masses of the second element which combine with a fixed mass of the first element will always be ratios of small whole numbers
8. calculate as the mass of a component divided by the total mass of a mixture
11. chemical elements arranged in order of atomic number
13. something that is the result of an action or process
15. transition from a solid to a gas state passing through the liquid state
17. a form of matter that has a constant composition and properties throughout the sample
20. a substance with high electrical conductivity, readily forms positive ions
22. a substance made by mixing other substances together
25. components are distributed the same of in uniform
26. a substance combines with another to form a new substance
27. a measure of the amount of matter the object contains
32. volumes of gases undergoing reactions at constant pressure and temperature are in a sample ratio to each other and the product
34. a form of matter that has a definite shape and volume
35. horizontal rows of elements on the periodic table
37. am element whose properties are intermediate between those of metals and solid nonmetals
38. a substance that takes part in and undergoes changes during a reaction
41. pure substance consisting of atoms that have the same number of protons in their nuclei
42. chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds
43. equal volume of gases at the same temperature and pressure contain equal numbers of molecules
44. a given chemical compound always retains its component elements in a fixed ratio
45. exhibit great stability and extremely low reaction rates helium, neon, argon, krypton, xenon, radon
46. an experiment gas law that describes how the pressure of a gas tends to decrease ad the volume of the container increases

Down

1. a property that depends of the type of matter in a sample
2. a characteristic of a particular substance that can be observed in a chemical reaction
4. a quality or condition of a substance that can be observed or measured without changing the substances
5. a law that states that pressure, temperature and the volume of gas are related to each other
6. lacks characteristics of metal, elements on the right of the periodic table
7. describes how gases tend to expand when heated
9. group of elements with similar chemical properties
10. solid, liquid, gas
12. pressure is inversely proportional to volume
14. the change of a substance from one physical form to another
16. consits of different substances
18. a property that depends on the amount of matter in a sample
19. any substance that has mass and takes up space by having volume
21. lab technique for the separation of a mixture into its components
23. all collisions between atoms or molecules are perfectly elastic
24. can be reversible or irreversible, some properties change but the composition of the material does not change
28. physical separation process; separates solid matter and fluid from a mixture
29. a form of matter in which many of the elements wander around freely among the nuclei of the atoms
30. a form of matter that takes the shape and volume of its container
31. describes the gaseous state of a substance that is generally a liquid or solid at room temperature
33. a chemical reaction mass is neither created or destroyed
36. purifying a liquid by a process of heating and cooling
39. the smallest unit of ordinary matter that forms a chemical element
40. a form of matter that has an indefinite shape, flows, yet has a fixed volume