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.
Answer: Calcium
Explanation:
Calcium has only one electronegativity.
The person who discovered universal gravitation was newton.
The answer is c if it’s wrong immm soo sorry.
