1、 Basic Introduction
Chinese name: Barium, English name: Barium, element symbol Ba, atomic number 56 in the periodic table, is an IIA group alkaline earth metal element with a density of 3.51 g/cubic centimeter, a melting point of 727 ° C (1000 K, 1341 ° F), and a boiling point of 1870 ° C (214...
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