Skandiy
21
Sc
Guruh
3
Davr
4
Block
d
Protonlar
Elektronlar
Neytronlar
21
21
24
General Properties
Atom raqami
21
Atom massasi
44,955912
Mass Number
45
Turkum
Oʻtish metallar
Ranggi
Silver
Radioaktivlik
Yoʻq
From the Latin word Scandia, Scandinavia
Crystal Structure
Simple Hexagonal
Tarix
In 1879, Lars Fredrik Nilson and his team detected scandium in the minerals euxenite and gadolinite.
Nilson prepared 2 grams of scandium oxide of high purity.
Per Teodor Cleve showed that scandium had properties similar to those predicted by Mendeleev for eka-boron.
Metallic scandium was first prepared in 1937 by Fischer and his colleagues.
Nilson prepared 2 grams of scandium oxide of high purity.
Per Teodor Cleve showed that scandium had properties similar to those predicted by Mendeleev for eka-boron.
Metallic scandium was first prepared in 1937 by Fischer and his colleagues.
Electrons per shell
2, 8, 9, 2
Elektron konfiguratsiyasi
[Ar] 3d1 4s2
The stable form of scandium is created in supernovas via the r-process
Physical Properties
Phase
Qattiq modda
Zichlik
2,989 g/cm3
Erish harorati
1814,15 K | 1541 °C | 2805,8 °F
Qaynash harorati
3109,15 K | 2836 °C | 5136,8 °F
Heat of Fusion
16 kJ/mol
Heat of Vaporization
318 kJ/mol
Solishtirma issiqlik sigʻimi
0,568 J/g·K
Abundance in Earth's crust
0,0026%
Abundance in Universe
3×10-6%
CAS Number
7440-20-2
PubChem CID Number
23952
Atomic Properties
Atom radiusi
162 pm
Kovalentlik radiusi
170 pm
Elektrmanfiylik
1,36 (Poling boʻyicha)
Ionization Potential
6,5615 eV
Molyar hajm
15,0 cm3/mol
Issiqlik oʻtkazuvchanlik
0,158 W/cm·K
Oksidlanish darajasi
1, 2, 3
Applications
Scandium is used in sports equipment such as golf iron shafts, baseball bats, bicycle frames and fishing rods.
Scandium iodide, along with sodium iodide, when added to a modified form of mercury-vapor lamp, produces a form of metal halide lamp.
The radioactive isotope 46Sc is used in oil refineries as a tracing agent.
Scandium iodide, along with sodium iodide, when added to a modified form of mercury-vapor lamp, produces a form of metal halide lamp.
The radioactive isotope 46Sc is used in oil refineries as a tracing agent.
Scandium is considered to be of low toxicity
Izotoplar
Barqaror izotoplar
45ScBeqaror izotoplar
36Sc, 37Sc, 38Sc, 39Sc, 40Sc, 41Sc, 42Sc, 43Sc, 44Sc, 46Sc, 47Sc, 48Sc, 49Sc, 50Sc, 51Sc, 52Sc, 53Sc, 54Sc, 55Sc, 56Sc, 57Sc, 58Sc, 59Sc, 60Sc