Can someone me with photosynthesis

What is the most stable monatomic ion formed from nitrogen

What shape would a molecule with two bound groups and two lone pairs have?

Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons