Molecular Geometry Set (VSEPR), Five universal VSEPR models allows the student to build linear, planar triangular, tetrahedral, trigonal bipyramidal, octahedral structures, When Student builds the molecules over a white paper and white links it can be easily visualized
Set of nine models, showing the following stages. 1. Embryo 6 days old 2. 1st month of gestation. 3. Uterus with embryo in 3rd month of gestation.4. Uterus with fetus, in 4th month. 5. Uterus with fetus, placenta and umbilical cord.6. 5th month. 7. 7th month pregnancy.
Orbit Nitrogen atom, Nd, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10 mm diameter atom centre, 5 ring azo, Color: Blue
Lower incisor with removable half of crown, lower canine separates in two longitudinally, lower molar with one root is one-piece and two roots separate into three parts, upper molar with three roots separates into three parts.