Which description of nitrogen-15 is correct?


A) atomic number = 15; atomic mass number = 7; number of neutrons = 8
B)atomic number = 8; atomic mass number = 15; number of neutrons = 7
C)atomic number = 8; atomic mass number = 7; number of neutrons = 7
D)atomic number = 7; atomic mass number = 15; number of neutrons = 8