Periodic Table/Astatine/²¹⁴At

← 213At215At →

²¹⁴At

Astatine-214

Radioactive· Half-life: 558 ns

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

85

Neutrons (N)

129

Mass Number (A)

214

Atomic Mass

213.996372AMU

Spin / Parity

1-

Binding E/A

7.573keV

Natural Abundance

Trace / None

Half-life

558 ns

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

α

100.0%

Decay Chain

²¹⁴AtAstatine558 ns

α100.0%

²¹⁰BiBismuth5.01 d

β⁻100.0%

α²⁰⁶Tl13.2%

²¹⁰PoPolonium138 d

α100.0%

²⁰⁶PbLeadSTABLE

4-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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