World's most versatile flashcards

or...
Reset Password Sign Up

atom definitions

        Help  

Question
Answer
proton   a positive particle in the nucleus of the atom  
neutron   a neutral particle in the nucleus of the atom  
electron   a negative particle which moves in shells around the nucleus  
atomic number   the number of protons in an atom  
mass number   the sum of protons and neutrons in an atom  
isotopes   atoms of the same element with the same number of protons and electrons but different numbers of neutrons  


   


 

 

 

 

 

 
Follow us on Twitter
Be a StudyStack fan on Facebook
www.eapps.com




Copyright ©2001-2009 John Weidner All rights reserved.
About -  Terms of Service -  Privacy Statement