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Amerisium
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Amerisium

plutoniumamerisiumkurium
Eu

Am

(Uqp)
Penampilan
putih keperakan
Ciri-ciri umum
Nama, lambang, Nomor atomamerisium, Am, 95
Dibaca/ˌæməˈrɪsiəm/
AM-ə-RIS-ee-əm
Macam unsuraktinida
Golongan, periode, blok3, 7, f
Massa atom standar(243)
Konfigurasi elektron[Rn] 5f7 7s2
2, 8, 18, 32, 25, 8, 2
Sifat fisika
Fasesolid
Massa macam (mendekati suhu kamar)12 g·cm−3
Titik lebur1449 K, 1176 °C, 2149 °F
Titik didih2880 K, 2607 °C, 4725 °F
Kalor peleburan14.39 kJ·mol−1
Kapasitas kalor62.7 J·mol−1·K−1
Tekanan uap
P (Pa)1101001 k10 k100 k
at T (K)12391356    
Sifat atom
Bilangan oksidasi7, 6, 5, 4, 3, 2
(oksida amfoter)
Elektronegativitas1.3 (skala Pauling)
Energi ionisasipertama: 578 kJ·mol−1
Jari-jari atom173 pm
Jari-jari kovalen180±6 pm
Lain-lain
Susunan kristalhexagonal
Pembenahan magnetikparamagnetik
Keterhambatan elektris0.69[1] µΩ·m
Konduktivitas termal10 W·m−1·K−1
Nomor CAS7440-35-9
Isotop paling stabil
Artikel utama: Isotop dari amerisium
isoNAWaktu paruhDMDE (MeV)DP
241Amsyn432.2 ySF--
α5.486237Np
242 isomer nuklirAmsyn141 thnIT0.049242Am
α5.637238Np
SF--
243Amsyn7370 ySF--
α5.275239Np
· r

Amerisium (pengucapan /ˌæməˈrɪsiəm/) yaitu unsur kimia sintetik dalam sistem periodik unsur yang memiliki lambang Am dan nomor atom 95.

Sumber acuan

  1. ^ Muller, W.; Schenkel, R.; Schmidt, H. E.; Spirlet, J. C.; McElroy, D. L.; Hall, R. O. A.; Mortimer, M. J. (1978). "The electrical resistivity and specific heat of americium metal". Journal of Low Temperature Physics 30 (5–6): 561. Bibcode:1978JLTP...30..561M. doi:10.1007/BF00116197. 
 
 



Sumber :
wiki.edunitas.com, id.wikipedia.org, m.andrafarm.com, pasar.andrafarm.com, dan lain-lain.



Tags / tagged: amerisium, collection, of, free studies, solid massa, jenis, mendekati suhu kamar, 12 g, cm, 3 titik, lain, struktur kristal, hexagonal, pembenahan magnetik, sintetik, dalam sistem, periodik, unsur memiliki, cr, mn fe, co, ni cu zn, ga ge, as, se br kr, rb sr, y, zr nb mo, tc, free studies kimianya, sumber wiki, edunitas, com id wikipedia, org m, program kuliah, pegawai, kelas, weekend, collection of, eksekutif, indonesian encyclopedia, encyclopedia
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