7-N
 basic
7-nitrogen
Naturally occuring isotopes:
N-14   ( 99.634% ) N-15   ( 0.366% )
Isotopes:
N-10   N-11   N-12   N-13   N-16   N-17   N-18   N-19   N-20   N-21   N-22   N-23   N-24  
For information on elements, we recommend .