Periodic table
en
fr
ar
es
pt
id
List
Compare
Tables
Quiz
Tools
Printables
Periodic table
›
magnesium
›
Mg-26
Magnesium-26 (Mg-26)
Identity
Protons
12
Neutrons
14
Mass number
26
Mass
25.983 ± 0.031 u
Mass excess
-16.215 MeV
Spin
0+
Stability
stable
Natural occurrence
11.03 %
of magnesium
Produced by
Al-26
All isotopes of magnesium