| Student Name Date Period |
| Chapter 2 Chemistry Outline | |
| I. Composition of Matter | |
| A. Matter | |
| * 1.1 1. Makes up everything | |
| 2. Occupies space & has mass | |
| 3. Mass – quantity of matter making up an object | |
| 4. Pull of gravity produces weight | |
| 5. Chemical changes in matter necessary for life processes | |
| B. Elements and Atoms | |
| 1. Pure substances that can’t be chemically broken down | |
| 2. about 30 elements important to organisms | |
| 3. Most common elements are C, H, O, N | |
| 4. Symbols (1-2 letters) stand for elements | |
| 5. May use Latin or Greek e.g. Na – sodium (natrium) | |
| *1.2 6. Simplest part of an element with the same properties | |
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| C. Nucleus | |
| 1. Most of the mass | |
| 2. Central part of an atom | |
| 3. | |
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