Chapter 2

3. the state of a material that consists of a single element or compound
4. a fundamental material consisting of only one type of atom
6. changing physical properties without changing its chemical identity
10. a chart in which all known elements are organized by physical and chemical properties
11. rearranged to give a new substance having a new chemical identity
13. a material in which atoms of different elements are bonded to one another
15. color density or hardness
18. an abbreviation for an element or atom
19. an element located toward the upper right of the periodic table that is neither a metal nor a metalloid

1. a mixture in which the components are so finely mixed that the composition is the same throughout
2. the state of a material that is a mixture of more than one element or compound.
5. a type of property that characterizes the ability of a substance to change into a different substance
7. a mixture in which the various components can be observed as individual substances
8. a homogeneous mixture in which the various parts are finely mixed, but not dissolved
9. a vertical column in the periodic table; also known as a family of elements
12. an element that is shiny, opaque, and able to conduct electricity and heat
14. an element that exhibits some properties of metals and some properties of nonmetals
15. a horizontal row in the periodic table
16. a homogeneous mixture in which all the components are dissolved in the same phase
17. a combination of two or more substances in which each substance retains its properties