Atomica
96Cm[247]

Curium

Actinides

Heavy, radioactive metals. Most of them are made only in laboratories.

[Rn] 5f⁷ 6d¹ 7s²

Atomic number
96
Atomic mass
[247]
Protons
96
Neutrons
151
Electrons
96
Shells
2, 8, 18, 32, 25, 9, 2
State at 25 °C
Solid
Position
Period 7, f-block
Proton (+)Neutron (0)Electron (−)
Discovered byGlenn Seaborg, Ralph James and Albert Ghiorso, 1944Albert Ghiorso: 12 elementsGlenn T. Seaborg: 10 elements

Named after Marie and Pierre Curie.

Did you know?

  • Mars rovers used curium-244 to identify the elements in Martian rocks.
  • It glows purple in the dark.

Where it's found

  • Made in nuclear reactors

What it's used for

  • Instruments on Mars rovers that analyse rocks

Try it

There's no safe home experiment for Curium. Explore it with the animated atom above instead.