Block
pemblokiran f
p pemblokiran
Family unsur
lanthanide
Transisi Post-
Jeneng papan Group
P63 / mmc
Pm-3M
Facts Interesting
- Lanthanum logam punika Highly malleable, ductile lan sectile.
- Yen kapapar logam Lanthanum online oxidizes kanthi cepet.
- Polonium unsur radioaktif sing pisanan ditemokaké.
- unsur polonium lan senyawa Highly radioaktif.
- Sawijining logam campuran karo Beryllium menehi sumber neutron.
sumber
Found in Minerals, Mining, Ores saka Minerals
Mining, Ores logam
sing katutup
Carl Gustaf Mosander
Pierre Curie and Marie Curie
Discovery
Wonten ing taun 1838
ing taun 1898
Turah mbrawah Ing Universe
Turah mbrawah Ing meteorit
-
Turah mbrawah Ing bumi lemah ndhuwur
Turah mbrawah Ing Manungsa
Ulah lan Wuku
- Ora ana panggunaan komersial, nanging paduane akeh dikarepake. Lanthanum lan Nikel alloy digunakake kanggo panyimpenan gas hidrogen.
- Panggunaan paling misuwur kanggo campuran mischmetal saka Lanthanum yaiku; minangka 'flints' kanggo korek rokok.
- Polonium logam allotropes beda, kang digunakake ing piranti antistatic lan kanggo riset waé.
- A 1 gram saka Polonium bisa tekan suhu 500 ° C, Empu kang digunakake minangka sumber panas kanggo peralatan papan.
Ulah Industrial
Industry Listrik, Industry Elektronik
Industry Aerospace, Industry amunisi
Ulah liyane
wesi, Manufacturing mirror
wesi
keracunan
Low Toxic
Highly Toxic
Saiki ing badan Human
Ya
Ora
α allotropes
-
α-polonium
β allotropes
-
β-polonium
Pauling Elektronegativitas
Sanderson Elektronegativitas
Allred Rochow Elektronegativitas
Mulliken-Jaffe Elektronegativitas
Pauling Electropositivity
Properties Kimia liyane
ionisasi, Isotop radioaktif, kelarutan
ionisasi, Isotop radioaktif, kelarutan
Konfigurasi elektron
[Xe] 5d 2 6s 2
[Xe] 4F 14 5d 10 6s 2 6p 4
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Pénguapan (Mon)
Crystal pola
DHCP-Crystal-Structure-of-Lanthanum.jpg#100
MON-Crystal-Structure-of-Polonium.jpg#100
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Kapadhetan Ing suhu kamar
Kapadhetan Nalika Liquid (ing mp)
Properties Teknik liyane
ductile
-
Nindakake Magnetic
paramagnetic
nonmagnetic
Property Listrik
Arman
Arman
Enthalpy saka atomization