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14 Cards in this Set
- Front
- Back
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All living things are made of......
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CARBON AND OTHER ELEMENTS |
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Organic compounds |
Cell PHONeS- Carbon, Phosphorus, Hydrogen, Oxygen, Nitrogen and Sulfur |
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Elements that make up 95% of human body weight: |
CHON- Carbon Hydrogen, Oxygen and Nitrogen |
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Element |
* one type of element * found on periodic table of elements * cannot be separated easily |
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Compound |
*two or more different types of elements * not found on periodic table of elements * cannot be separated easily |
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Mixture |
* mixture of elements or compounds or both * not found together on periodic table of elements *can be separated easily |
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Molecule |
two or more same or different |
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Subscript: |
only applies to element directly before the number |
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Subscript outside parenthesis: |
applies to all atoms inside parenthesis (multiply) |
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Coefficient : |
applies to all atoms after the coefficient number until you have reached a + plus sign. |
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Photosynthesis |
Reactants Heat------> Products |
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Law Conservation of Mass: |
matter cannot be created or destroyed |
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Mass of the Reactants: |
must be equal= to the mass of the products |
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Chemical reactions- |
use or release energy as heat to the environment |
