Model Atomic In/Organic Junior

Molecular model set. For modelling complex molecular structures of organic and inorganic compounds. Valency bonds depicted by white lugs. Periodic chart of elements pasted on inside of lid. In storage box 24 x 20 x 5 cm. 12 large black balls represent tetrahedral ethylenic and acetylenic carbon- 4 large yellow balls represent divalent- tetravalent and hexavalent metals- 4 large orange balls represent monovalent metals- 5 large green balls represent monovalent non-metals- halogens- 26 white balls with lug represent hydrogen- 6 small orange balls represent divalent metals- 6 small red balls represent oxygen- 6 small blue balls represent trivalent and pentavalent non-metals- 6 small yellow balls represent trivalent metals.

Molecular model set. For modelling complex molecular structures of organic and inorganic compounds. Valency bonds depicted by white lugs. Periodic chart of elements pasted on inside of lid. In storage box 24 x 20 x 5 cm. 12 large black balls represent tetrahedral ethylenic and acetylenic carbon- 4 large yellow balls represent divalent- tetravalent and hexavalent metals- 4 large orange balls represent monovalent metals- 5 large green balls represent monovalent non-metals- halogens- 26 white balls with lug represent hydrogen- 6 small orange balls represent divalent metals- 6 small red balls represent oxygen- 6 small blue balls represent trivalent and pentavalent non-metals- 6 small yellow balls represent trivalent metals.

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