Cadmium is a metal in group IIB of the periodic table with atomic number 48, an atomic weight of 112.40, and a density of 8.65 Mg/m 3. Its melting point is 320.9 C, and it boils at 7654 C. The ...
Niobium is a metal in groupVB of the periodic table with atomic number 41, an atomic weight of 92.91, and a density of 8.4 Mg/m 3. Its melting point is 2468 C, and it boils at 3300 C. The electronic ...