The first two ionization energy of nickel are expressed as:
Ni(g) = Ni^+(g) + e^- Ni^+(g) = Ni^2+(g) + e^-
IOnization energy os the energy that is neccessary in order to remove one mole of electrons from an atom.
Hope this helps.
A.) Heat, light, or sound.
d= 8/10 so yah that was a guess
Answer:
the process of turning from liquid into vapour.