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| Barium
is a metal in group IIA of the periodic table with atomic number 56, an
atomic weight of 137.34, and a density of 3.5 Mg/m3.
Its melting point is 714 C, and it boils at 1640 C.
The electronic configuration of Barium is (Xe)(6s2). Its atomic radius is 0.222 nm. At room temperature Barium has a body-centered cubic crystal structure with a = 0.501 nm. |
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