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
Orbit Nitrogen atom, Nm, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10 mm diameter atom centre, Trigonal bipyramid, Color: Blue
Tectonics Model, provide students with an innovative look at plate tectonics with this hand-painted plastic model, showing detailed representations of the earth layers. Both active and passive margins are shown, Oceanic floor spreading is also well-characterized
Orbit Hydrogen atom, Hb, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10 mm diameter atom centre, Hydrogen bond, Color: White
Model, Embryo, 1 month, The embryo model shows an embryo at the stage of the first month of pregnancy, Ideal for medical training and as an educational tool for pregnant women, Important anatomical structures are labeled, weight: 0.33 kg
Model, Alpha- Corundum Crystal, is best known for its gem varieties, Ruby and Sapphire. Ruby and Sapphire are scientifically the same mineral, but just differ in color, Dimensions: 36 x 24 x 20 in, Weight: 8 lbs
Model, Diamond Crystal, is surrounded by four atoms directed in space toward the vertices of a tetrahedron, The hardness and large density of the diamond, contains 66- 1 inch balls, Dimensions: 24 x 24 x 12 in, Weigh