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Campbell Biology 9th edition

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Chemistry
Physics
Chemical bonding
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Quantum chemistry
Valence electron
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Campbell Biology Review Chapter 2 1. All organisms are composed of ____________, which is defined as anything that occupies space and has mass. 2. What is the definition of an element? 3. How does a compound differ from an element? 4. What four chemical elements compose about 96% of living matter? 5. What name is given to elements found in small amounts that are necessary to living matter? 6. Which of these elements (type given above) is necessary to man and other vertebrates but not to other living organisms? a. Oxygen b. Iodine c. Phosphorus d. Calcium e. None of the Above 7. What element, known as a toxin to man, has inadvertently been found in Asian drilled wells, exposing many to its dangerous effects?

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