AP Biology Campbell 7e Ch2 Flashcards
The chemical context of life.
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| 599261534 | Matter | Anything that takes up space and has mass. | |
| 599261535 | Element | A substance that cannot be broken down to other substances by chemical reaction. | |
| 599261536 | Compound | A substance consisting of two or more different elements combined in a fixed ratio. | |
| 599261537 | Trace Elements | Elements that are only required in minute quantaties. Ex; Iron and Iodine | |
| 599261538 | Essential Elements | Natural elements known to be essential to life. Ex: Carbon, Oxygen, Hydrogen, Nitrogen, Phosphorous, Sulfur, Calcium, and Potassium. | |
| 599261539 | Energy | The capacity to cause change. | |
| 599261540 | Potential Energy | The energy that matter possesses because of it's location or structure. | |
| 599261541 | Hydrogen Bond | When a hydrogen atom covalently bonded to one electronegative atom is also attracted to another electronegative atom. | |
| 599261542 | Van der Waals Interactions | Weak and only occur when atoms and molecules are very close together; Responsible for a gecko walking up the walls. | |
| 599261543 | Reactants | Starting materials in a chemical reaction. | |
| 599261544 | Products | The end material(s) of a chemical reaction. |