Md
INTRODUCTION
Mendelevium is a synthetic short-lived radioactive element, and one of the transuranium (elements that is after uranium on the periodic table) in the actinide series of the periodic table.
It was named after the Russian chemist Dmitry Ivanovich Mendeleyev, who predicted the properties of undiscovered elements from their positions in his periodic table of the elements.
BASIC INFORMATIONS
- Atomic Number
- 101
- Atomic Mass
- 258
- Ionic radius
- N/A
- Ionization energy
- N/A
- Electronic config
- 2,8,18,32,31,8,2
- Principal Valency
- +2
- Density g/cm³
- N/A
- Melting point °C
- 827
- Boiling point °C
- N/A
- Type of Element
- Metal
- Electronegativity
- N/A
- Element Category
- Actinide series
- Appearance
- Silvery solid
- Block
- f-block
- Period
- 9
- Group
- 16
- No of Isotopes
- 16
- Occurrence
- Artificially Made
- Abundance in ppm
- Nil
- Year of Discovery
- 1955
EXTRACTION
It is obtain by electrolysis of its fused salts or reducing its halides with calcium
OXIDATION STATES
+2,+3
MAJOR SOURCE
Bombardment of Einsteinium atoms.
HALF LIFE
1.5 hours
ECONOMIC IMPORTANCE
* It is used extensively in research works.
