101Md
Mendelevium
Actinide
Properties of Mendelevium
- Atomic number (Z)
- 101
- Symbol
- Md
- Name
- Mendelevium
- Atomic mass
- 258 u
- Period
- 7
- Group
- —
- Family
- Actinides (f-block)
- Classification
- Actinide
- Electron configuration
- [Rn] 5f¹³ 7s²
About Mendelevium
Mendelevium is a chemical element with symbol Md and atomic number 101 (atomic mass of about 258 u). It is classified as a actinide on the periodic table.
On the periodic table, Mendelevium is located in period 7, outside the numbered groups (f-block), belonging to the actinides (f-block) family. An element's position reveals trends in its properties, such as atomic radius, electronegativity and metallic character.
The electron configuration of Mendelevium is [Rn] 5f¹³ 7s², which determines how it forms chemical bonds and takes part in reactions.