Actinium

Actinium: atomic number 89

error in units

The units of resistivity don't come out right.

10^-8 Ohm * m
or
m Ohm * cm

the 'm' should be a 'mu', but unfortunately they both look the same in the latin alphabet.

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Error: Ac crystal structure

Looking up the reference for the Ac crystal structure I noticed that the lattice constant is wrong. The correct lattice constant is
531 pm
The lattice constant given now is the lattice constant for actinium hydride from the same paper.

/Torbjörn Björkman

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