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Clep Science

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Chemistry   The study of matter  
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atoms   the substance of what all matter is made of  
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element   a substance that can not be broken down into any other substance  
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atomic number   the number of protons found in the nucleus of an atom of the element a  
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atomic mass   is calculated by positive ups of the masses of the protons and neutrons  
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isotopes   atoms with the same number of protons but different number of neutrons  
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atomic weight   the average mass number  
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molar mass   the number of the element of the mass in grams of one mole of atoms  
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electron cloud   it is where electrons travel freely in a 3-dimensional space  
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quantum mechanics   predicts the probabilities of an electron being in a certain area at a certain time  
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energy level   a particular amount of energy related to it  
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valence shell   the outermost occupied energy level of an element  
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Created by: chavafor4
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