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Key Documents

Z231320

Sigma-Aldrich

Giant-size molecular model kit

deluxe kit

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About This Item

UNSPSC Code:
60104506
NACRES:
NB.17

description

no. of flexible bonds 32
no. of rigid bonds 100

feature

no. of atoms 64

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General description

Large, lightweight molecular models for classroom demonstration of organic and inorganic structures. For building models to scale of 20 cm/Å and 8 cm/Å. Bond lengths range from 5.5 to 27 cm. Atomic centers are 5 cm in diameter, finished in standard atom colors, and have a reinforced vinyl receptor at each bond position for insertion of connecting rods (bonds). All model kits include storage box and instructions. Additional atoms and bonds are available separately.

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