Chemistry Review
Which particle is responsible for forming chemical bonds between atoms?

 

Which particle determines which element an atom is?
 

Which particle is added or removed in the process of ionization?
 

Which particle are added together to determine the atomic mass?  Why?
 

Which particle is different between two isotopes of the same element?  Why?
 

Which particles are equal in number in an atom with no charge?  Why?
 

Which particle is different in number between Na and Na+?  Why?
 

Which particle is different in number between 1H and 2H?  Why?
 

Which particle is (absolutely, unquestionably) different in number between H and He?  Why?
 

Fill in the following chart with the number of each particle present.
ProtonsElectronsNeutrons
He

12C

14C

Li+

Cl-

Fe+3

238U


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