Promethium
Chemical reactions
Reaction of promethium with acidsPromethium dissolves readily in dilute sulphuric acid, forming a pink solution of Pm(III) ions and hydrogen gas, H2:
2 Pm(s) + 3 H2SO4(aq)  2 Pm3+(aq) + 3 SO42−(aq) + 3 H2(g) |
Reaction of promethium with acidsPromethium dissolves readily in dilute sulphuric acid, forming a pink solution of Pm(III) ions and hydrogen gas, H2:
2 Pm(s) + 3 H2SO4(aq) 2 Pm3+(aq) + 3 SO42−(aq) + 3 H2(g) |