Neon-21 (Ne-21)

Identitas

Proton

10

Neutron

11

Nomor massa

21

Massa

20.994 ± 0.041 u

Kelebihan massa

-5.732 MeV

Spin

3/2+*

Kestabilan

stabil

Keberadaan di alam

0.270 % neon