for an oxygen atom,wich requires more energy,tha addition of two electron or the removal of one electron?explain why

Answer 1

Happy to fill that 2p shell with 6 electrons instead of the 4 electrons in the neutral atom

Answer 2

so wich one between the addition of two electrons or removal of an electron will requere more ionisation energy

Answer 3

so wich one between the addition of two electrons or removal of an electron will requere more energy