1, Basic Introduction Suav lub npe: Barium, Askiv lub npe: Barium, lub cim cim Ba, atomic naj npawb 56 nyob rau hauv lub sij hawm lub sij hawm, yog ib tug IIA pab pawg neeg alkaline ntiaj teb hlau ntsiab nrog ib tug ceev ntawm 3.51 g / cubic centimeter, ib tug melting point ntawm 727 ° C (1000 K, 1341 ° F), thiab qhov kub ntawm 1870 ° C (214 ...
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