Assertion: astatine's radius | /r/HasProperty | divided by the molar
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Source sentences:
text: The commonly recognised metalloids have packing efficiencies of between 34% and 41%.[n 7] The Goldhammer-Herzfeld ratio, roughly equal to the cube of the atomic radius divided by the molar volume,[n 8] is a simple measure of how metallic an element is, the recognised metalloids having ratios from around 0.85 to 1.1 and averaging 1.0.[n 9] Other authors have relied on, for example, atomic conductance[n 10] or bulk coordination number.