Orbit Oxygen atom, Od, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10mm diameter atom centre, Diunivalent or Hydrogen bonding, Color: Red
Minit Nitrogen atom, Nm, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 6 mm diameter atom centre, Trigonal bipyramid, Color: Blue
Three dimensional model showing electron microscopic structure. Organs like nucleus, Nucleolus, endoplasmic reticulum, mitochondria, ribosomes respectively polysomes and golgi apparatus. Showing centrioles, lysosomes and vacuoles.