Nobelium (No) — Element 102: Properties & Data | Aladdin Scientific
Nobelium(No) — Element 102
Nobelium (No) is a actinide with atomic number 102 and atomic mass 259.101. It has melting point 1100 K (827 °C). It sits in period 7 of the periodic table and was discovered in 1957.
Key facts
| Atomic mass | 259.1010 u |
|---|---|
| Electron configuration | [Rn]7s2 5f14 |
| Oxidation states | +3, +2 |
| Electronegativity (Pauling) | 1.3 |
| Ionization energy | 6.65 eV |
| Melting point | 1100 K |
| Standard state | Solid |
| Year discovered | 1957 |
Frequently asked questions
What is the electron configuration of nobelium?
The ground-state electron configuration of nobelium is [Rn]7s2 5f14.
What group and period is nobelium in?
Nobelium (No) is in period 7 (actinide series) of the periodic table, classified as a actinide.
What is the melting point of nobelium?
Nobelium melts at 1100 K (827 °C).
What is the standard state of nobelium?
Nobelium is a solid at standard temperature and pressure.
Related elements
About this data: property values compiled from IUPAC Standard Atomic Weights (2021), the NIST Atomic Spectra Database, and PubChem. Curated by the Aladdin Scientific technical team. Last reviewed: .