N

Nitrogen-21

Protons (Z)

7

Neutrons (N)

14

Mass number

21

Half-Life

85.0 ms

Abundance

---

Mass

21.027 u

Mass Excess

25,230.0 keV

Spin

(1/2-)

Discovered

1970

Binding energy per nucleon

6,609 keV

Neutron separation energy

4,611 keV

Proton separation energy

19,559 keV

Decay Mode

Decay chain

Nitrogen-21Z 7 · N 1485.0 ms
β⁻n87%
β⁻100%
β⁻100%