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Z153184

Cochranes molecular models

lattices, minit, classroom set with 5 texts

Synonym(s):

chemistry model sets, molecular model sets

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About This Item

UNSPSC Code:
60104506
NACRES:
NB.17

description

Scale: 2 cm = 0.1 nanometer (1 Å), Minit 3 cm = 0.1 nanometer (1 Å), Orbit

feature

no. of atoms 1,470
no. of bonds 1160

manufacturer/tradename

Cochranes 0077

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General description

An extensive model system offering 15 atomic bonding configurations in 12 colors of plastic atoms. The carbon atom is represented in nine configurations: linear, trigonal (in five angle variations), tetrahedral, octahedral, trigonal-bipyramidal. Models come in two sizes: Orbit and Minit. Spare atom centers and bonding tubes are available for all model kits.

Please see Technical Information Bulletin AL-183 for a listing of these items, available on our website at sigma-aldrich.com
Study the structures of diamond, graphite, metals (iron, copper & magnesium), sodium chloride, zinc blende, wurzite, caesium chloride, rutile, ice, orthoboric acid, cadmium chloride and cadmium iodide. Make sizeable models of up to 100 atoms in each or multiple smaller models. Includes 5 instruction/activity booklets.

Scale: 2 cm = 0.1 nanometer (1 A), Minit

ATOMS:
  • 2-prong linear: Hydrogen, white (125)
  • 2-prong 155°: Oxygen, red (30)
  • 2-prong 141°: Oxygen, red (30)
  • 3-prong 120°: Carbon, black (150), Oxygen, red (150)
  • 3-prong 90°, 135°: Oxygen, red (30)
  • 4-prong 141°, 116°: Oxygen, red (30)
  • 4-prong tetrahedral: Carbon, black (175), Oxygen, red (75), Sulfur, yellow (100), Halogen, green (50), Metal, silver (125)
  • 6-prong octahedral: Halogen, green (100), Metal, silver (75)
  • 8-prong cubic: Halogen, green (25), Metal, silver (100)
  • 12-prong: Metal, silver (100)

BONDS:
  • Straw, green, 2.5 cm (640)
  • Straw, green, 1.5 cm (320)
  • Straw, white, 10 cm (35)
  • Straw, white, 3.5 cm (160)
  • Straw, mixed set/26 (5)

Certificates of Analysis (COA)

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Articles

Use our handy VSEPR chart to find the 3-D geometric VSEPR shapes of molecules and ions and learn about VSEPR theory and shapes.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

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