Astrophysics (Index)About

sodium

(Na)
(metal, Na, atomic number 11)

Sodium (Na) is the element with atomic number 11, symbol Na. It has one stable isotope (mass number 23). Sodium comes from carbon burning in large stars. Sodium spectral lines are seen in the Sun, e.g., D lines, two prominent yellow lines.


(element,metal,chemistry)
Further reading:
http://en.wikipedia.org/wiki/Sodium

Referenced by pages:
element
Fraunhofer lines
globular cluster (GC)
LINER
nitrite (NO2-)
nucleosynthesis

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