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1	Chapter One Basic Concepts of Matter
2	Basic Concepts of Matter
3	Basic Concepts of Matter cont’d Solid, liquid, and gas states
4	Basic Concepts of Matter cont’d Fig. 1.3 The green color of the Statue of Liberty results from the reaction of copper with the components of air.
5	Basic Concepts of Matter cont’d "Good" versus "Bad" Properties for a Chemical Substance
6	Basic Concepts of Matter cont’d The melting of ice cream is a physical change involving a change of state; solid turns to liquid.
7	Basic Concepts of Matter cont’d As a result of chemical change, bright steel girders become rusty when exposed to moist air.
8	Basic Concepts of Matter cont’d
9	Basic Concepts of Matter cont’d A magnet and a mixture consisting of potassium dichromate (orange crystals) and iron fillings.
10	Basic Concepts of Matter cont’d Fig 1.7 Matter falls into two basic classes; pure substances and mixtures. Mixtures, in turn, may be homogeneous or heterogeneous.
11	Basic Concepts of Matter cont’d Fig 1.8 A pure substance can be either an element or a compound.
12	Basic Concepts of Matter cont’d Fig. 1.9 Questions used in classifying matter into various categories.
13	Basic Concepts of Matter cont’d
14	Basic Concepts of Matter cont’d
15	Basic Concepts of Matter cont’d Abundance of elements in the universe and in Earth’s crust (in atom percent)
16	Basic Concepts of Matter cont’d C.C. 1.2 Elemental Composition of the Human Body
17	Basic Concepts of Matter cont’d Table 1.1
18	Basic Concepts of Matter cont’d Fig. 1.12 A computer reconstruction of the surface of a sample of graphite (carbon) as observed with a scanning tunneling microscope. The image reveals the regular pattern of individual carbon atoms. The color was added to the image by computer.
19	Basic Concepts of Matter cont’d Fig. 1.13 254 million atoms arranged in a straight line would extend a distance of approximately 1 inch.
20	Basic Concepts of Matter cont’d Fig 1.14 Molecular structure of (a) chlorine, (b) phosphorus, and (c) sulfur
21	Basic Concepts of Matter cont’d Fig. 1.15 Depictions of various simple heteroatomic molecules using models. Spheres of different sizes and colors represent different kinds of atoms.
22	Basic Concepts of Matter cont’d Example 1.2 Classify each of the following molecules as (1) diatomic, triatomic, etc. (2) homoatomic or heterotomic and (3) representing an element of a compound.
23	Basic Concepts of Matter cont’d Practice Example 1.2 Classify each of the following molecules as (1) diatomic, triatomic, etc. (2) homoatomic or heterotomic and (3) representing an element of a compound.