Atoms Model

160408{照片}原子模型

Item no.: C03

Description
Ten models (hydrogen, helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine, neon atoms) to understand atomic structure and the composition individually; electronic display in red, proton in yellow and neutron in blue.

Electron circle are made in metal coil and the diameters are 210mm and 145mm.

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