The yellow 45mm Unit atom is principally used to designate sulfur in compounds such as amino acids & others.
|69175||Unit Organic Chem. Large Lecture Hall Molecular Model Set||2|
|69177||Indigo Large Point Group Symmetry Models, Unit Style||2|
|69180||Indigo Basic VSPER Theory Model Set-6 Molecules, Unit Style||2|
|69501||Unit 5-4-5 Face Centered Close Pack Model||4|
|69502||Unit 7-3-7 Hexagonal Close Pack Model||3|
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