Organic Chemistry Molecular Model Sets, Permanent Neodymium Rare Earth Magnets, Magnifying Glasses, Test Strips, Lab Supplies, Tuning Forks
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The Unit Atom Bonding Pegs
The "Unit" large molecular model set atoms can be configured with any standard VSEPR geometry by means of
3 different "bond pegs" as shown below.
The leftmost bond peg is the 4/8 which is used to construct the most common geometry, tetrahedral (sp3) or 8 coordinate (metals).
The central, radial peg is typically used to build univalent atoms when 1 is used; 180o (linear) or angled shapes when 2 are used & trigonal when
3 are used & placed 60 degrees apart. They can also be combined with other pegs for any non-standard VSEPR geometry.
The polar peg shown to the right can be used one or two at a time for univalent and 180o linear shapes respectively
or with the radial peg to form trigonal bipyramidal or octahedral geometries.
The table below lists the number of each type of peg & atom that comes in the standard set, PN 69175/69175V.
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| Description | Qty | Description | Qty | Description | Qty |
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| 4/8 coordinate pegs | 36 | radial pegs | 24 | polar pegs | 12 |
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Organic Chemistry Molecular Model Sets, Permanent Neodymium Rare Earth Magnets, Magnifying Glasses, Test Strips, Lab Supplies, Tuning Forks
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