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Atomic radius (calculated) of astatine: 127 pm

Covalent radius (2008 values) of astatine: 150 pm

Atomic radius (empirical) of tellurium: 140 pm

Atomic radius (calculated) of tellurium: 123 pm

Covalent radius (2008 values) of tellurium: 138 pm

Covalent radius (empirical) of tellurium: 135 pm

van der Waals radius of tellurium: 206 pm

Data from WebElements: http://www.webelements.com/tellurium/atom_sizes.html.
Atomic radius of astatine: 127 pm

Covalent radius of astatine: 150 pm

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14y ago

Atomic radius (calculated) of astatine: 127 pm

Covalent radius (2008 values) of astatine: 150 pm

Atomic radius (empirical) of tellurium: 140 pm

Atomic radius (calculated) of tellurium: 123 pm

Covalent radius (2008 values) of tellurium: 138 pm

Covalent radius (empirical) of tellurium: 135 pm

van der Waals radius of tellurium: 206 pm

Data from WebElements: http://www.webelements.com/tellurium/atom_sizes.html.

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14y ago

Yes.

Atomic radius (calculated) of astatine: 127 pm

Covalent radius (2008 values) of astatine: 150 pm

Atomic radius (empirical) of tellurium: 140 pm

Atomic radius (calculated) of tellurium: 123 pm

Covalent radius (2008 values) of tellurium: 138 pm

Covalent radius (empirical) of tellurium: 135 pm

van der Waals radius of tellurium: 206 pm

Data from WebElements: http://www.webelements.com/tellurium/atom_sizes.html.

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Q: Is an atom of astatine larger than an atom of tellurium?
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Which is more stable an atom of tin an ion of tin or an atom of tellurium?

Tellurium is more stable than tin due to the fact that tellurium is closer to having a stable number of electrons on its outer shell than tellurium.


How is it that tellurium has a greater mass number than iodine if an iodine atom has one more proton than a tellurium atom?

Iodine nuclei have one more Proton than Tellurium, but in general the Tellurium atoms have more neutrons, giving a higher average atomic mass. Elements often have isotopes, and their stated atomic masses are averages which look at the abundance of these isotopes. In a given sample of Iodine, 100% of it will be 127I, though the tiniest trace of 129I will exist. In a sample of Tellurium, 65% will be 128Te and 130Te. This makes Tellurium's average atomic mass a little higher than Iodine's.


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Which is larger a atom or a element explain?

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Why did mendeleev place tellurium before iodine?

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