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Hydrogen

 

Name: Hydrogen
Symbol: H
Atomic Number: 1
Atomic Mass: 1.00794
Group: 1
Period: 1
Electron Configuration: 1
Nonmetal
Gas at STP
Found as a diatomic molecule H2
 



Write Your Questions Below



how many protons neutrons and electrons does the isotope 2/1H have
January 10, 2012

Hi - when ever we are dealing with isotopes, the only thing that is changing is the number of neutrons which causes a change in the mass.  So for your questions, H always has one proton and as long as it is not an ion you also have one electron.  SO the number of neutrons is what is changing. 

January 10, 2012 -  Replied By Expert

 
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