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/m 3. Its melting point is 714 C, and it boils at 1640 C. The electronic ...

Officials stated that the chemist manipulated quality control data for a test that detects certain metals in drinking water such as copper or barium. According to CDPHE, there is no evidence of an ...