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13 Cards in this Set
- Front
- Back
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Saturated Fat |
A lipid made from fatty acids that have no double bonds between carbon atoms. |
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Physical Change |
A change that offers the appearance but not the chemical makeup of a substance. |
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Model |
An explanation or representation of something that can not be seen. |
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Isomers |
Two different molecules that have the same chemical formula. |
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A student reports on an atom that has 11 protons, 10 neutrons, and 10 electrons. What is wrong with the student's report? |
proton # = electron # |
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Two atoms have the same number of neutrons but different numbers of protons. Do they belong to the same element? |
No |
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The element sulfur is comprised of all atoms that have 16 protons. How many neutrons are in sulfur -34? |
18 |
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How many total atoms are in one molecule of C22H44O? |
67 |
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Identify the following as an atom, element, or molecule? |
a. P - element, b. N2 - molecule, c. oxygen - 16 - atom, d. PH3 - molecule |
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When you boil water, are you causing a chemical change or a physical change? |
physical |
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Two solutions of different solute concentration are separated by a membrane. After 1 hour, the solutions are of equal concentrations and the water levels are the same as when the experiment started. Is this an example of diffusion or osmosis? |
diffusion |
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In the following equation: C3H8 + 5O2 3CO2 + 4H2O Is CO2 a product or a reactant? How many molecules of it are involved in the reaction? |
product, 3 |
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What four things are necessary for photosynthesis? |
water, light, carbon, & catalyst (usually chlorophyll) |
