Barium Br 56 137
Cost=$55 for 100 grams
.
The metal that can be seen in the dark and
can also be digested in sulfate form.
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Facts
Barium has six stable isotopes,
barium is used in the production of vacuum tubes like television by removing noble gases.
Barium glows in the dark when exposed to heat.
Barium can be decomposed by electrolysis.
Luis Martinez