Cm
Actinide
Curium
Z 96A 247mass 247
Atomic model
tap a particleEvery nucleon is drawn individually — 96 protons and 151 neutrons packed into the nucleus, with 96 electrons on shells outside.
96+1
Protons
Set the element — change this and it becomes a different atom.
1510
Neutrons
Change only these and you get a different isotope of the same element.
96−1
Electrons
Sit outside the nucleus and decide the chemistry, not the element.
Element data
- Nucleons
- 247 (96 p + 151 n)
- Electron shells
- 2 · 8 · 18 · 32 · 26 · 8 · 2
- Valence shell
- 2 electrons
- Atomic mass
- 247 u