He did suggest, however, that chromium's compounds would be widely used as ... leaves a space for their relatively unsung cousin, neptunium - element number 93 in the periodic table. In June 1940, ...

Chromium is a metal in group VIB of the periodic table with atomic number 24, an atomic weight of 51.996, and a density of 7.19. It has a melting temperature of 1875 C. The electronic configuration ...

This podcast is about one of these elements, number 107 in the periodic table ... which became the officially recognised name in 1997. In the periodic table bohrium lies below chromium, technetium and ...