Assertion: tellurium | /r/HasAspect | ionic radii of 2.22 å
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Source sentences:
text: It has a Brinell hardness of 184.3 meganewtons/m2 (18.43 kilograms-force/mm2), an atomic radius of 1.7 Å, and ionic radii of 2.22 Å (Te2), 0.89 Å (Te4+), and 0.56 Å (Te6+).