Nickel is a metal in group VIII of the periodic table with atomic number 29, an atomic weight of 58.71, and a density of 8.9. It has a melting point of 1453 C. The electronic configuration for the Ni ...

The resulting complex had what is known as square-planar geometry. This means that the nickel is in the center and the ligands are arranged around it at the four compass points, all in the same plane ...