Promethium (Pm)

Sifat-Sifat Umum

Simbol Pm
Nomor Atom 61
Berat atom (145)
Kelompok
(Lantanoid)
Solid, Conductor, Lanthanide, Radioactive, Synthetic
Periode 6
Blok f

Media

Kepadatan 7.26 g/cm3
Isipadu Atom 22.4 cm3/mole
Radius Atom --
Radius Kovalen --
Crust Abundance None
Crystal Structure Hexagonal
Color Silver

Energi

Elektronegativitas (Skala Pauling)
Afinitas Elektron 50 kJ/mol
Ionisasi Energi Pertama 540 kJ/mol
ke-2 Ionization Energy 1050 kJ/mol
ke-3 Ionization Energy 2150 kJ/mol
ke-4 Ionization Energy 3970 kJ/mol
Kapasitas Panas Spesifik J g−1 K−1
Konduktivitas Termal 17.9 W·m−1·K−1

Elektron & Oksidasi

Kondisi Oksidisasi 3
Elektron Setiap Kelopak 2 8 18 23 8 2
Konfigurasi Elektron [Xe] 4f5 6s2
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f5 6s2
Diagram Orbital
1s
↿⇂
2s
↿⇂
2p
↿⇂
↿⇂
↿⇂
3s
↿⇂
3p
↿⇂
↿⇂
↿⇂
3d
↿⇂
↿⇂
↿⇂
↿⇂
↿⇂
4s
↿⇂
4p
↿⇂
↿⇂
↿⇂
4d
↿⇂
↿⇂
↿⇂
↿⇂
↿⇂
4f
↿ 
↿ 
↿ 
↿ 
↿ 
 
 
5s
↿⇂
5p
↿⇂
↿⇂
↿⇂
5d
 
 
 
 
 
5f
 
 
 
 
 
 
 
6s
↿⇂
6p
 
 
 
6d
 
 
 
 
 
6f
 
 
 
 
 
 
 

Nuclear

Radioaktif Iya
Half Life 17.73 y
Lifetime 25.56y
Decay Electron Capture

Media

Keplanetan Model Bohr Promethium (Pm)
Diagram Dot Lewis Promethium (Pm)
Description
Rare earth metal of synthetic origin on the earth, naturally made in stars.
Uses
It has been used as a source of radioactivity for thickness-measuring gages.
Sources
Does not occur naturally. Found among fission products of uranium, thorium, and plutonium.
Pronounciation (English)
pro-MEE-thi-em

Terjemahan

Afrikaans Promethium
Aragonese Prometio
العربية بروميثيوم
Armãneashte Prometiumu
asturianu Prometiu
azərbaycan Prometium
български Прометий
বাংলা প্রমিথিয়াম
brezhoneg Prometiom
bosanski Promethijum, ²Prometij
Byelorussian Праметый
Cebuano Prometyo
čeština Promethium
Chuvash Промети
Cymraeg Prometi
dansk Promethium
Deutsch Promethium
Ελληνικά Προμηθειο
English Promethium
esperanto Prometio
español Promécio
eesti Promeetium
euskara Prometioa
فارسی پرومتیم
suomi Prometium
føroyskt Promethium
français Prométhium
furlan Prometi
Frysk Promethium
Gaeilge Próméitiam
Gàidhlig Promèitiam
galego Prometio
ગુજરાતી પ્રોમીનિયમનો
Gaelg Promaiçhum
Hakka Chinese Ki (鉕)
עברית פרומתיום
हिन्दी प्रोमेथियम
hrvatski Prometij
magyar Promécium
հայերեն Պրոմեթիում
Indonesia Prometium
íslenska Prómetín, ²Prómeþín
italiano Promezio
日本語 プロメチウム
ქართული პრომეთიუმი
کٲشُر Promet
қазақ тілі Прометий
한국어 프로메튬
kurdî Prometyûm
Komi Прометий
kernewek Promethyum
кыргызча Прометий
Latin Promethium
Lëtzebuergesch Promethium
Lombard Prumézzi
lingála Pometu
lietuvių Prometis
latviešu Prometijs
Mari Прометий
Māori Promethium
македонски Прометиум
മലയാളം പ്രൊമിതിയം
монгол Промети
Мокшан Промети
Melayu Prometium
Malti Promizjum, ²Promezju
Nahuatl Prometio
Nederlands Promethium
norsk Promethium
Occitan Prometi
ирон Прометий
polski Promet
português Promécio
Runasimi Prometyu
română Promeţiu
русский Прометий
slovenčina Promethium
slovenščina Prometij
Samoan Prometimi
Samogitian Pruometis
shqip Promet, ²Promethiumi
српски Прометијум
Southern Sotho Promethiamo
svenska Prometium
Kiswahili Promethi
தமிழ் --
тоҷикӣ Прометий
ไทย โพรมีเทียม
Türkçe Prometyum
ئۇيغۇرچە جۈي
українська Прометій
o‘zbek Prometiy
Tiếng Việt Prometi
Võro Promeetium
中文

Sejarah

Ditemukan Di
1945
Ditemukan Oleh
J. A. Marinsky, Lawrence Glendenin, Charles D. Coryell
Ditemukan Pada
United States
Asal Kata
Named after "Prometheus" in Greek mythology, who stole fire from the gods