Chemistry & Matter

2. made of two or more substances,elements, or compounds that are together in the same place but not chemically combined
6. machine that moves atomic nuclei at high speeds until they crash into one another
8. groups of two or more atoms held together by chemical bonds
9. mixture in which substances are evenly distributed throughout the mixture
10. shows the elements in the compound and the ratio of atoms
11. elements in group 3, through 12 of periodic table
14. mixture in which pure substances are unevenly distributed throughout the mixture
19. a force of attraction between two atoms
20. the basic particle from which all elements are made
21. a single kind of matter, has a specific set of properties
24. measure of the average energy of random motion of particles of matter
26. mixture that forms when one substance dissolves another
27. ability of an object to transfer heat or electricity to another object
29. the average mass of all the isotopes of the element
30. group 2 of periodic table
31. elements in the same vertical column of the periodic table
32. term used to describe material that can be pounded into shapes
33. a one or two letter representation of an element
34. the total energy of all the particles in an object
35. any change that alters the form or appearance of matter but does not make any new substance

1. pure substance that cannot be broken down into another substance by physical or chemical means
3. matter is not destroyed in any chemical or physical change
4. study of the properties of matter
5. produces new substances with properties different from those of the original substance
7. metals in group 1, from lithium to francium
12. a chart of the elements showing the repeating pattern of their properties
13. describes a material that can be pulled into a wire
15. a change in which energy is taken in
16. anything that has mass and takes up space
17. ease and speed with which an element combines, or reacts, with other elements and compounds
18. mixture of 2 or more elements, one of which is metal
19. gradual wearing away of a metal element due to chemical reaction
22. a pure substance made of two or more elements chemically combined in a set ratio
23. class of elements characterized by physical properties
25. releases energy
28. ability to do work or cause change
35. a horizontal row of elements in the periodic table