List of alpha emitting materials
# List of alpha emitting materials

The following are among the principal radioactive materials known to emit alpha particles.

* $^{209}Bi,$ $^{211}Bi,$ $^{212}Bi,$ $^{213}Bi$
* $^{210}Po,$ $^{211}Po,$ $^{212}Po,$ $^{214}Po,$ $^{215}Po,$ $^{216}Po,$ $^{218}Po$
* $^{215}At,$ $^{217}At,$ $^{218}At$
* $^{218}Rn,$ $^{219}Rn,$ $^{220}Rn,$ $^{222}Rn,$ $^{226}Rn$
* $^{221}Fr$
* $^{223}Ra,$ $^{224}Ra,$ $^{226}Ra$
* $^{225}Ac,$ $^{227}Ac$
* $^{227}Th,$ $^{228}Th,$ $^{229}Th,$ $^{230}Th,$ $^{232}Th$
* $^{231}Pa$
* $^{233}U,$ $^{234}U,$ $^{235}U,$ $^{236}U,$ $^{238}U$
* $^{237}Np$
* $^{238}Pu,$ $^{239}Pu,$ $^{240}Pu,$ $^{244}Pu$
* $^{241}Am$
* $^{244}Cm,$ $^{245}Cm,$ $^{248}Cm$
* $^{249}Cf,$ $^{252}Cf$
