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CRYSTAL MODELS SET - Sodium Chloride (0868)
Model kits for assembling various crystals lattices in skeletal form. The lattices represent certain classic structures and has been built to a large enough size so that their different faces can be seen. Each set contains different coloured jacks (red, black and white) and connectors (long and short) in a prescribed number to be joined together to form crystal structures. These Complete with assembly instruction. Crystal Models Set Sodium Chloride: This set consists of 54 connectors, 13 blackjacks and 14 red Jacks in a plastic box. Crystal Model set available for Graphite and Diamond also.
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CRYSTAL MODELS SET - Graphite (0869)
Model kits for assembling various crystals lattices in skeletal form. The lattices represent certain classic structures and has been built to a large enough size so that their different faces can be seen. Each set contains different coloured jacks (red, black and white) and connectors (long and short) in a prescribed number to be joined together to form crystal structures. These Complete with assembly instruction. Crystal Model Set Graphite: This set consists of 69 connectors; 8 long black connections, 45 blackjacks and 12 red jacks in a plastic box. Crystal Model set available for Sodium Chloride and Diamond also.
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CRYSTAL MODELS SET - Diamond (0870)
Model kits for assembling various crystals lattices in skeletal form. The lattices represent certain classic structures and has been built to a large enough size so that their different faces can be seen. Each set contains different coloured jacks (red, black and white) and connectors (long and short) in a prescribed number to be joined together to form crystal structures. These Complete with assembly instruction. Crystal Model Set Diamond: This set consists of 84 connectors and 57 jacks in a plastic box. Crystal Model set available for Sodium Chloride and Graphite also.
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ATOMIC MODEL SET (0871)
Useful for construction of 3-dimenional molecular structures of various organic and inorganic compounds and demonstrating their geometries. The set consists of moulded balls of different colours and sizes along with connecting lugs of different sizes. The balls have holes to facilitate the fixing of lugs. Complete components moulded in polystyrene. The set comes nicely packed in a compartmented plastic box. Senior Set: The set consists of 185 connecting lugs and 375 balls of prescribed colours and sizes. Each compartment of the moulded plastic box has separate space for every particular colour and size of ball. Junior Set: The set consists of 37 connecting lugs and 75 balls of prescribed colours and sizes.
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SIMPLE INORGANIC MOLECULAR MODEL KIT (0872)
The kit makes basic concepts about the principles of molecular geometry easy to visualize and understand. This kit offer building of a large number of 3-dimensional molecular models with a visual appreciation of Molecular Bonding. Also demonstrates, how the shapes of molecules are determined by the number of bonds plus the lone pairs in the valence shell of the center atom. Showing lone pairs is a unique specialty with these models. For showing the molecules based on tetrahedron you can make methane, for triangle by pyramid, you can make phosphorus pentachloride; and for octahedron you can build Sulphur hexaflouride and soon. Some of the structures that can be easily built include: CO2, CH" PCI" SF., NH3, H20, BCI3, Sulphur ring SH, oxides of Nitrogen, Phosphorous P, molecule, H2SO" simple and complex structures, and many more. Contents: Oxygen, Nitrogen, Sulphur, Phosphorous, Chlorine, Hydrogen, Covalent & Multiple (total components about 140 Nos., packed in a suitable plastic case. Also includes a teachers guide/instruction manual with full details on how to make all these model and more.
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ORGANIC MOLECULAR MODEL BUILDING KIT (0873)
Innovatively designed for your convenience. This kit offers you the building of organic molecular models for almost all the important structures covering each and every topic. The main specialty is the design of our atoms with moulded prong to provide maneuverability for rotation. You can show the electron clouds. Separate tubes provided for covalent & multiple bonds. Hence, these models are way ahead of the ball & stick type.
With this kit, you can build plenty of models. Saturated Hydrocarbons, unsaturated hydrocarbons, functional groups: Alkanes, Alkenes, Alkynes, Alcohols, Aldehides & Ketones, Benzene & its Derivatives, etc., and many more.
Contents: Carbon, Oxygen, Nitrogen, Chlorine, Sulphur, Phosphorous, Hydrogen-atoms, Covalent bond Hydrogen bonds & multiple Bonds [Total components about 200 Nos. , packed in a suitable plastic case. A teacher's guide/instruction manual with full details on how to make is also provided)
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MOLECULAR MODELS SET, INTRODUCTORY (0874)
A basic introductory set designed to help students understand chemistry. Packed in compartmented moulded plastic box.
Comprises
Spheres : Carbon - 12 Oxygen - 7 Nitrogen - 2 Sulphur - 1 Halogen - 6 Hydrogen - 20; Links : Short Grey - 33 Long Grey - 12 Hydrogen Connectors - 29 With instruction leaflet.
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MOLECULAR MODELS SET, TEACHER, ORGANIC (0875)
Designed to make models of most organic compounds. Packed in compartmented moulded plastic box. The set comprises Spheres : Carbon - 24 Oxygen - 12 Nitrogen - 4 Sulphur - 2 Halogen - 12 Metal- 3
Hydrogen - 40; Links : Short White - 60 Medium Grey - 55 Long Grey - 25 With instruction leaflet.
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MOLECULAR MODELS SET, TEACHER, ORGANIC AND INORGANIC (0876)
A versatile set suitable for higher grades and advanced level courses
covering a comprehensive range of organic, inorganic molecules, from simple ones to complex ones. Packed in compartmented moulded plastic box. The set consists of Spheres Carbon - 6 Nitrogen - 10 Halogen-8 Phosphorus - 7 Oxygen-22 Sulphur-12 Metal-14 Hydrogen - 14; Links : Mauve-50 Medium Grey - 50 Long Grey-36 With instruction leaflet.
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MOLECULAR MODELS SET, TEACHER, BIOCHEMISTRY (0877)
A semi-space filling set for making a wide range of biochemistry molecular models. Packed in two compartmented moulded plastic boxes. Consists of Spheres : Carbon - 66 Oxygen - 40 Nitrogen - 34 Sulphur - 2 Metal- 2 Phosphorus - 6 Hydrogen - 105; Links : Short White - 100 Non- visible - 60 With instruction leaflet.
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MOLECULAR MODELS SET, STUDENT, ORGANIC (0878)
The set consists of Spheres : Carbon -12 Nitrogen-2 Sulphur- 2 Phosphorus - 1 Pyramidal Nitrogen - 2 Oxygen-6 Halogen-4 Metal-1 Hydrogen - 20; Links : Short White - 26 Medium Grey - 26 Long Grey-12 with instruction leaflet.
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MOLECULAR MODELS SET, STUDENT, ORGANIC AND INORGANIC (0879)
The set consists of Spheres : Carbon-6 Nitrogen-3 Sulphur- 2 Phosphorus - 2 Oxygen-7 Halogen-6 Metal-11 Hydrogen - 14 Links : Medium Purple- 5 Medium Grey - 20 Long Grey-12 With instruction leaflet.
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MOLECULAR MODELS SET, STUDENT, BIOCHEMISTRY (0880)
An open type set consisting of Spheres : Carbon - 21, Nitrogen - 11 Phosphorus - 1 Oxygen -13 Sulphur- 1 Hydrogen - 25; Links : Medium Grey-40 With instruction leaflet.
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SHAPES OF MOLECULES SET (0881)
For making different shapes of molecules as per electron repulsion theory. Contains sufficient parts to make eight atomic models. Consists of Spheres Chlorine-7 (1 Hole), 1 (4 Hole) Hydrogen - 13 Fluorine - 9 Metal (Beryllium)-1 Boron-1 Oxygen - 1 Nitrogen - 1 Carbon - 1 Sulphur - 1 Phosphorus - 1; Orbitals : Grey (Pear Shaped) - 26 Beige (Sphere) - 6 Beige (pear Shaped) - 6 White Link - 6. With instruction leaflet.
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MOLECULAR ORBITAL SET, ORGANIC STRUCTURES (0882)
The set comprising of sufficient parts to make four organic molecular orbital models depicting sigma bonding orbitals, pi bonding orbitals, concept of hybridization and delocalization. Consists of ? Carbon Atoms - 12 ? Hydrogen Atoms - 18 ? Carbon-Carbon [oval shaped] Sigma Bonds - 9 ? Carbon-Hydrogen [pear shaped) Sigma Bonds - 18 ? Pi Bonds - 9 (21 pink and 21 purple pieces) With instruction leaflet.
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