Ammonium cation, NH4 and ammonia, NH3 molecule. Structural chemical formula and molecule model. Vector illustration
Valence Shell Electron Pair Repulsion VSPER Theory infographic diagram showing prediction of geometric shape of molecules based on electron repulsive force for chemistry science education
Ions vector illustration. Labeled chemical molecule electric charge scheme. Diagram with neutral atom, positive cation and negative anion with loss of electron. Educational particle infographic.
Atoms and molecules vector illustration. Labeled compounds bonds diagram. Ionic and covalent explanation scheme with educational example. Physics and chemistry substance element particles infographic.