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atom bs

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
Proton   positively charged subatomic particle in the center of an atom  
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Electron   negatively charged subatomic particle that surrounds the atom  
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Atomic Mass   the total mass of protons and neutrons of an atom  
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Nucleus   the dense center of an atom where all of the mass is located  
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Electron Cloud   the area in an atom around the nucleus where all of the electrons are located  
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Atomic Number   the total numer of protons in an atom  
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Mass Number   the total number of protons and neutrons  
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Created by: Imagination R
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