+2, because the element has more protons than electrons now
C. a plane for forming a scientific hypotheses
Diphosphorus tetraiodide is a covalent compound.
It has low melting point as compared to ionic compounds
It is a rare compound where the oxidation state of Phosphorous is +2.
It is also termed as subhalide of phosphorous.
The reaction would be Exothermic
i can think of 3 subatomic particles found in a nucleus protons, neutrons, and electrons