At | Chemical Substance
astatine
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At
Astatin
astatine
Atomic_weight (g/mol) 209.9871480 ± 0.0000080
Boiling Point (°C) 336
Melting point (°C) 302
Electron negativity 2
First Ionisation Energy 890
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At | Chemical Sustances
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Participate as reactant
H + At → HAt 6H2O + 5K2S2O8 + 2At → 5H2SO4 + 5K2SO4 + 2HAtO3 H2O + 5NaClO + 2At → 5NaCl + 2HAtO3Participate as product
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