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The "Unit" large molecular model set atoms can be configured to show trigonal pyramidal geometry using 3 of the tetrahedral pegs. The angles of 109.5 degrees are the same as the full tetrahedron & are a close approximation of the 107 degrees.
Unit Bond Pegs: 72 pieces: (36 tetra; 24 radial;12 polar)
PRICE BREAKS - The more you buy, the more you save.Quantity1+2+ 3+ Price for each$25.00USD$24.00USD$23.00USDYour savings- 4%8%
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