Periodic Table/Astatine/²¹²At

← 211At213At →

²¹²At

Astatine-212

Radioactive· Half-life: 314 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

85

Neutrons (N)

127

Mass Number (A)

212

Atomic Mass

211.990737AMU

Spin / Parity

1-

Binding E/A

7.593keV

Natural Abundance

Trace / None

Half-life

314 ms

Decay Modesoverview · half-life · α · β⁻ · β⁺

α

100.0%

β⁺

β⁻

Decay Chain

²¹²AtAstatine314 ms

α100.0%

β⁺²¹²Po

β⁻²¹²Rn

²⁰⁸BiBismuth368 ky

β⁺100.0%

²⁰⁸PbLeadSTABLE

3-step decay chain → stable · Primary path shown · branching ratios indicated

Other Isotopes of Astatine

191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229

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