Éuropium, 63 Éu Pabaosan (yoor-OH -pee-əm ) Cingakan petak pérak, antuk warna kuning lémlém;[ 1] sakéwanten kapah kacingak tanpa pagentosan warna oksida
Wilangan atom (Z ) 63 Watek n/a Période période 6 Blok blok-f Konpigurasi éléktron [Xé ] 4f7 6s2 Éléktron per kulit 2, 8, 18, 25, 8, 2 Pase ring STP padet Titik lebur 1099 K (826 °C, 1519 °F) Titik didih 1802 K (1529 °C, 2784 °F) Kapadetan (nampek s.r. ) 5.244 g/cm3 ri kala éncéh (ring t.l. ) 5.13 g/cm3 Panes fusi 9.21 kJ/mol Panes panguapan 176 kJ/mol Kapasitas panes molar 27.66 J/(mol·K) Tekanan uap
P (Pa)
1
10
100
1 k
10 k
100 k
at T (K)
863
957
1072
1234
1452
1796
Paindikan oksidasi 0,[ 2] +2 , +3 (oksida basa tenga) Kaéléktronégatipan skala Pauling: 1.2 Wasa ionisasi ka-1: 547.1 kJ/mol ka-2: 1085 kJ/mol ka-3: 2404 kJ/mol Jeriji atom émpiris: 180 pm Jeriji kovalén 198±6 pm Rupa alami primordial Struktur kristal kubus mapusat badan (bcc) Ékspansi térmal poly: 35.0 µm/(m⋅K) (ring r.t. ) Konduktivitas térmal est. 13.9 W/(m⋅K) Resistivitas listrik poly: 0.900 µΩ⋅m (at r.t. ) bacakan magnétik paramagnétik [ 3] Karentanan magnétik molar 6998339999999999999♠ +34000 .0× 10−6 cm3 /mol[ 4] Modulus Young 18.2 GPa Modulus Shear 7.9 GPa Modulus Bulk 8.3 GPa Rasio Poisson 0.152 Kakatosan Vickers 165–200 MPa Nomor CAS 7440-53-1 Pangaranan mawit Éropa Panemuan miwah isolasi kapertamaEugène-Anatole Demarçay (1896, 1901)
Kategori:Éuropium | pustaka
Éu:
ring
itung saking C
bina
parihindik
pus
C
826
—
—
K
1099
1099
0
F
1519
1519
0
présisi maks
0
WD
String Module Error: Target string is empty
dagingan
C: 826, K: 1099, F: 1519
pabligbagan
Éu:
ring
itung saking C
bina
parihindik
pus
C
1529
—
—
K
1802
1802
0
F
2784
2784
0
présisi maks
0
WD
String Module Error: Target string is empty
dagingan
C: 1529, K: 1802, F: 2784
pabligbagan
Pustaka
Pustaka pacang tampil ring suratan, menawi lis puniki wantah tampil ring kaca puniki.
↑ Mal:Greenwood&Earnshaw
↑ Yttrium and all lanthanides except Ce and Pm have been observed in the oxidation state 0 in bis(1,3,5-tri-t-butylbenzene) complexes, see Cloke, F. Geoffrey N. (1993). "Zero Oxidation State Compounds of Scandium, Yttrium, and the Lanthanides". Chem. Soc. Rev . 22 : 17–24. doi :10.1039/CS9932200017 . and Arnold, Polly L.; Petrukhina, Marina A.; Bochenkov, Vladimir E.; Shabatina, Tatyana I.; Zagorskii, Vyacheslav V.; Cloke (2003-12-15). "Arene complexation of Sm, Eu, Tm and Yb atoms: a variable temperature spectroscopic investigation". Journal of Organometallic Chemistry . 688 (1–2): 49–55. doi :10.1016/j.jorganchem.2003.08.028 .
↑ Lide, D. R., ed. (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (PDF) (édisi ka-86th). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5 .
↑ Weast, Robert (1984). CRC, Handbook of Chemistry and Physics . Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4 .
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