Metal density calculation

The metamagnetic behavior of [Fe(Cp )2] [Ni(a-tpdt)2] is attributed to the AF coupling between the FM coupled D+A D+A chains within the chain layers, as predicted from the application of the McConnell I model and spin density calculations, in a similar way to other salts also based on decamethylmetallocenes and other transition-metal bisdichalcogenate complexes with a type I structural motive such as [Mn(Cp )2][M(tdt)2] (M = Ni, Pd, Pt). 

Silvery metal density 13.51 g/cm (calculated) atomic volume IScm /mole melts in the range 1,300 to 1,380°C magnetic susceptibihty 12.2xl0-8cgs units/mole at 25°C dissolves in mineral acids. 

Physical Properties.7—Tantalum is a white metal with a greyish tinge and is very similar to platinum in colour and general appearance. When it is heated to 1600° C. in vacuo it assumes a crystalline form.8 Examination of the powdered metal by X-ray analysis has shown that the arrangement of the atoms is on the plan of a body-centred cube of side 3 272 A, obtained by dividing the space of a crystal into equal closely packed cubes and placing an atom at each cube comer and each cube centre the distance between the nearest atoms is 2 883 A. The specific gravity of the fused metal is 16 6, - a sample drawn into wire 0 05 mm. diameter had a density of 16 5 10 the density calculated from X-ray data is 17 09.u... 

The electrical conductivity for copper is given in Table 22.6. The electron mobility in copper at room temperature is 3.0 X 10 m s . Using the Drude model for metallic conductivity, calculate the number of free electrons per Cu atom. The density of copper is 8.9 g cm. ... 

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