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Chemistry 7th

QuestionAnswer
What is an atom? An atom is a basic unit of matter
What are the parts of an atom? Proton,neutron,electron,nucleus and electron shells
What is a element? An element is a pure chemical substance consisting of a single type of atom
What is a compound? A compound is a pure substance consisting of 2 or more different elements chemically combined
What do groups have in common and what do periods have in common? Groups have the same chemical properties and periods have the same number of shells
What are the 4 divisions of the periodic table? Metals,nonmetals,metalloids and noble gases
How are elements on the periodic table listed? They are listed by their atomic number
Created by: Moi2013
 

 



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