Curium (Cm) — Actinide. Atomic number 96.
Hard radioactive metal
- Atomic number: 96
- Symbol: Cm
- Atomic mass: [247] u
- Category: Actinide
- State: Solid
- Melting point: 1344.85 °C / 1618 K
- Boiling point: 3109.85 °C / 3383 K
- Density: 13.51 g/cm³ (20°C)
- Electron configuration: [Rn] 5f7 6d1 7s2
- Oxidation states: +3, +4
- Electronegativity: 1.3
- Discovered by: Glenn Seaborg and team (1944)
Common uses: Space power sources, Research
Biological role: No biological role.
Frequently Asked Questions about Curium
What is the atomic number of curium?
Curium has an atomic number of 96, meaning each atom contains 96 protons in its nucleus.
What is the atomic mass of curium?
The standard atomic weight of curium is [247] u (unified atomic mass units).
What category does curium belong to?
Curium is classified as a actinide.
What is the state of curium at room temperature?
Curium is a solid at 20 °C (68 °F).
What is the melting point of curium?
The melting point of curium is 1344.85 °C / 1618 K.
What is the boiling point of curium?
The boiling point of curium is 3109.85 °C / 3383 K.
What is the density of curium?
The density of curium is 13.51 g/cm³ (20°C).
What is the electronegativity of curium?
Curium has a Pauling electronegativity of 1.3.
What is the electron configuration of curium?
The electron configuration of curium is [Rn] 5f7 6d1 7s2.
What are the common oxidation states of curium?
Curium commonly exhibits the following oxidation states: +3, +4.
When was curium discovered?
Curium was discovered in 1944 by Glenn Seaborg and team.
Is curium radioactive?
Curium is a synthetic radioactive element that does not occur naturally and must be produced in a laboratory.
What is the biological role of curium?
No biological role.
What are the common uses of curium?
Curium is used for: Space power sources; Research.
