Electrical Conductivity
Due to the intermal complex state of Oxygen and Nickel,electricity current is difficult pass, so Nickel Protoxide (NiO) is insulator,non-conducting.
Chemical properties
When the temperature is 400℃(min),nickel oxide will become Ni2O3 because of absorbing the Oxygen in the air.And when heated to 600℃,it deoxidizes to Nickel Protoxide again. Nickel Oxide Green(NiO ) has chemical activity in low temperature state,contrary,it looks like yellow-green solid and the activity become seak in 1000℃ temperature.
And with the increasing of producing temperature,its density and resistance will increase, meanwhile solubility and catalytic activity decrease.
