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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
Combination of two or more DIFFERENT kinds of atoms   compound  
Center of an atom   Nucleus  
Two or more substances physically combined   mixture  
Temperature when liquid becomes solid   freezing point  
No new substance is produced   physical change  
Can't be separated by chemical   element  
No definite shape or volume   Gas  
Temperature when liquid becomes gas   boiling point  
Positively charged subatomic particle   proton  
Made of protons and neutrons   nucleus  
Two or more atoms chemically combined   molecule  
Mass per unit volume   density  
anything with mass that takes up space   matter  
subatomic particle with no charge   neutron  
produces new substance with different properties   chemical change  
definite volume, no definite shape   liquid  
negatively charged particle   electron  
reactivity is an example   chemical property  
physical description of a substance   physical property  
basic building block of matter   atom  
space in an atom in which electrons are   electron cloud  
amount of space an object takes up   volume  
amount of matter in an object   mass  


   






 
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Created by: graywolf2010