Sc
INTRODUCTION
Scandium is a soft,silver-white metallic element with an atomic number of 21.It is one of the transition elements in the periodic table.The element was named after the region of Scandinavia.
Scandium is sometimes regarded as one of the rare earth elements.It occurs in rare minerals such as wolframite and is about 50th in order of abundance of the elements in Earth's crust.
BASIC INFORMATIONS
- Atomic Number
- 21
- Atomic Mass
- 44.95591
- Atomic radius
- 0.144
- Ionization energy
- 631
- Electronic config
- 2,8,9,2
- Principal Valency
- +2
- Density g/cm³
- 3.0
- Melting point °C
- 1541
- Boiling point °C
- 2836
- Type of Element
- Metal
- Electronegativity
- 1.3
- Element Category
- Scandium Group
- Appearance
- Silvery white solid
- Block
- d-block
- Period
- 4
- Group
- 3
- No of Isotopes
- 25
- Occurrence
- Combine form
- Abundance in ppm
- 25
- Year of Discovery
- 1879
EXTRACTION
It is extracted by the electrolysis of it's fused salt
OXIDATION STATES
+3,+2,+1 (Amphoteric)
MAJOR SOURCE
wolframite
EXAMPLES OF COMPOUND PRESENT
wolframite thortveitite
ECONOMIC IMPORTANCE
* Been rare the element and it's compound has little use at present
