(a) 2, 8, 8, 2
(b) 2, 8, 8
(c) 2, 8, 8, 4
(d) 2, 8, 8, 6

I think my answer is

c) 2, 8, 8, 4

a boiling water reactor does not boil the water. a pressurized water reactor boils the water faster. a pressurized water reactor is heated directly by the core. a pressurized water reactor does not use fission.

a polar bond is formed when electrons are shared unevenly between atoms