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ScienceBorModel

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Question
Answer
To find protons and electrons or atomic number   atomic number and protons and electrons are the same thing.  
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Where atomic mass on periodic tabe   bottom  
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Where atomic number on periodic table   top  
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Carbon mass   12  
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Carbon protons   6  
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Carbon Electrons   6  
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Carbon Neutrons   6  
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carbon Atomic number   6  
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Valence electron   Number of electrons in the outer most energy level  
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Sign for negative charge and how many amu   - 1/2000 amu  
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sign for positive charge and how many amu   + 1 amu  
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Sign for neutrons and how many amu   Circle and slash through 1 amu  
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meaning of element   Simplest type of pure substance  
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element   simplest type of pure substance  
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element   simplest type of pure substance  
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Created by: mima0925
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