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7 Cards in this Set
- Front
- Back
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Cell Theory |
1. All living things are made of cells 2. The cell is the basic unit of life 3. New cells are made by the previous one dividing into two 4. Energy/Genetic Material is passed through cells 5. All cells share the same basic composition |
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Can elements be broken down by chemical processes? |
No |
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Which elements make up 96% of the mass of the human body? |
Carbon, Hydrogen, Oxygen, & Nitrogen |
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What is the atomic nucleus made of? |
Protons and Neutrons |
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atomic number |
1. # of protons an element has 2. Dictates the identity of the element |
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Which is atomic weight and which is atomic # |
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Isotopes |
Elements with the same number of protons but different # of Neutrons |
