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MOLECULAR MODELS SET, INTRODUCTORY
(0874) |
A basic introductory set designed to help students understand chemistry. Packed in compartmented moulded plastic box. Comprises
Spheres : Carbon - 12 Oxygen - 7 Nitrogen - 2 Sulphur - 1 Halogen - 6 Hydrogen - 20; Links : Short Grey - 33 Long Grey - 12 Hydrogen Connectors - 29 With instruction leaflet. |
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