Cochranes 分子模型

一个广泛的模型系统，提供 12 种塑料原子颜色的 15 种原子键合配置。 碳原子以九种构型表示：线性、三角形（五种角度变化）、四面体、八面体、三角-双锥体。型号有两种尺寸：轨道和迷你。备用原子中心和键合管可用于所有模型套件。

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Learn about molecular shape, stereochemistry, isomerism and bonding in organic and inorganic molecules and complex ions. This advanced set is most suitable for group work in schools, universities and research laboratories. Includes instruction/activity booklet. Supplied in a sturdy compartmented box. Includes 5 instruction/activity booklets.

Scale: 2 cm = 0.1 nanometer (1 A), Minit

ATOMS:

• 1-prong: Hydrogen, white (250), Nitrogen, blue (50), Oxygen, red (50), Fluorine, light green (50), Sulfur, yellow (20), Chlorine, green (90)
• 2-prong linear: Carbon, black (50), Nitrogen, blue (20)
• 2-prong 100°: Sulfur, yellow (50)
• 2-prong 110°: Oxygen, red (125)
• 3-prong 120°: Carbon, black (100), Nitrogen, blue (30)
• 4-prong tetrahedral: Carbon, black (200), Nitrogen, blue (50), Oxygen, red (50), Phosphorous, purple (25), Sulfur, yellow (25), Metal, silver (20)
• 6-prong octahedral: Carbon, black (20), Sulfur, yellow (10), Metal, silver (20)
• 5-prong trigonal bipyramid: Carbon, black (50), Nitrogen, blue (10), Oxygen, red (15), Phosphorous, purple (10)
• W pegs (50)

BONDS:

• Straw, green, 2.5 cm (960)
• Straw, green, 2 cm (240)
• Straw, green, 1.5 cm (320)
• Straw, red, 3 cm (96)
• Straw, red, 2 cm (96)
• Straw, mixed set/26 (5)
• St v flexible white, 5 cm (20)
• St v flexible white, 2.5 cm (30)