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At

Astatine

#85 · I-Reactive Nonmetal

I-Mass209.98715 u
Ubukhulu7.0 g/cm³
Ukuncibilika575.0 K
Ukubhoboza610.0 K
Electronegativity2.2
I-Ionization Energy899.0 kJ/mol
I-Atom Radius150.0 pm
I-blockp-block
Isifunda (RT)Iqinile
Ukuhlela[Xe] 4f14 5d10 6s2 6p5
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