Model shows both sides of an eye, enlarged 5 x. One side of the model shows the eye socket with a sagittal cutaway and the background to the eye and the electron microscopic fine structure of the retina are shown separately.
Lewis structure Set, Help students determine the types of bonds in a substance, draw Lewis structures, and construct models of molecules, Chemists find the use of models helpful to construct Lewis structures and study covalent bonding
Minit Oxygen atom, Ok, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 6 mm diameter atom centre, Tetrahedral, Color: Red
Orbit Nitrogen atom, Nh, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10 mm diameter atom centre, 5 atom planar ring, Color: Blue
Orbit Oxygen atom, Ok, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10mm diameter atom centre, Tetrahedral, Color: Red
Orbit Metal atom, Mp, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10 mm diameter atom centre, 8 coordinate, Color: Silver
Minit Iron atom, Fel, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 6 mm diameter atom centre, Octahedral, Dark-Grey
Orbit Sulfur atom, Sc, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10 mm diameter atom centre, Diunivalent, Color: Yellow
Minit Hydrogen atom, Ha, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 6 mm diameter atom centre, Univalent, Color: White
Minit Sulfur atom, Sa, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 6 mm diameter atom centre, Double bonded, Color: Yellow
Orbit Sulfur atom, Sl, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10 mm diameter atom centre, Octahedral, Color: Yellow