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holmium
holmium

europiu
europiu



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holmium
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europiu

holmium vs europiu

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1 Tabelul periodic
1.1 Simbol
Ho
Eu
1.2 Număr grup
Tennessine Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
gadoliniu Metal
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1.3 perioada Număr
Uraniu Metal
6
Rank: 2 (Overall)
6
Rank: 2 (Overall)
litiu Metal
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1.4 bloc
f block
f block
1.1 Element de familie
lantanidelor
lantanidelor
1.4 Numărul CAS
roentgeniu Metal
7440600
Rank: 29 (Overall)
7440531
Rank: 34 (Overall)
Aluminiu Metal
1.7 Nume grup spațiu
P63 / mmc
3m Im_
1.8 Număr spațiu grup
Sodiu Metal
194,00
Rank: 5 (Overall)
229,00
Rank: 1 (Overall)
Plutoniu Metal
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2 Fapte
2.1 Fapte interesante
  • de metal Holmium este foarte moale si maleabil.
  • de metal Holmium este bine cunoscut pentru rezistivitatea la coroziune.
nu e disponibil
2.2 surse
S-au găsit în minerale, Minerit, Minereurile de minerale
S-au găsit în minerale, Minerit, Minereurile de minerale
2.3 Istorie
2.3.1 care a descoperit
Marc Delafontaine
Eugène-Anatole Demarçay
2.3.2 Descoperire
în 1878
în 1896
2.4 Abundenţă
2.4.1 Abundenței În Universul
Fier Metal
5 * 10-8 %
Rank: 27 (Overall)
5 * 10-8 %
Rank: 27 (Overall)
taliu Metal
2.4.4 Abundenței În Soare
Fier Metal
~-9999 %
Rank: N/A (Overall)
~0.00000005 %
Rank: 27 (Overall)
beriliului Metal
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2.4.5 Abundenței În Meteoriți
Fier Metal
0,00 %
Rank: 43 (Overall)
0,00 %
Rank: 43 (Overall)
Aur Metal
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2.4.6 Abundenței în scoarța Pământului
Aluminiu Metal
0,00 %
Rank: 38 (Overall)
0,00 %
Rank: 36 (Overall)
Radiu Metal
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2.4.7 Abundenței în oceanele
Sodiu Metal
0,00 %
Rank: 41 (Overall)
0,00 %
Rank: 42 (Overall)
protactiniu Metal
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2.4.8 Abundenței la om
Calciu Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Radiu Metal
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3 utilizări
3.1 Utilizări și beneficii
Character length exceed error
  • metale europiu utilizări principale este în tipărirea bancnotelor euro. Aceste note lumina roșu în lumină UV.
  • Acesta este utilizat în becuri redus de energie.
3.1.1 Utilizări industriale
N / A
Industria chimica
3.1.2 Utilizări medicale
N / A
N / A
3.1.3 alte utilizări
Aliaje, Cercetarea nucleară
Aliaje
3.2 Proprietățile biologice
3.2.1 Toxicitate
Toxic scăzut
non Toxic
3.2.2 Prezent în corpul uman
Nu
da
3.2.3 in Blood
Sodiu Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Plutoniu Metal
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3.2.4 in Bone
Calciu Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Plutoniu Metal
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4 Fizic
4.1 Punct de topire
Tungsten Metal
1.461,00 ° C
Rank: 30 (Overall)
822,00 ° C
Rank: 55 (Overall)
franciu Metal
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4.2 Punct de fierbere
Tungsten Metal
2.600,00 ° C
Rank: 42 (Overall)
1.597,00 ° C
Rank: 56 (Overall)
Fleroviu Metal
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4.3 Aspect
4.3.1 Stare fizică
Solid
Solid
4.3.2 Culoare
silvery alb
silvery alb
4.3.3 Luciu
Metalic
Lucios
4.4 Duritate
4.4.1 Mohs Duritate
Crom Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
cesiu Metal
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4.4.2 Duritatea Brinell
Osmiu Metal
746,00 MPa
Rank: 13 (Overall)
Nu e disponibil
Rank: N/A (Overall)
cesiu Metal
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4.4.3 Duritatea Vickers
Tungsten Metal
481,00 MPa
Rank: 23 (Overall)
167,00 MPa
Rank: 34 (Overall)
Paladiu Metal
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4.5 Viteza sunetului
tehnețiu Metal
2.760,00 Domnișoară
Rank: 30 (Overall)
Nu e disponibil
Rank: N/A (Overall)
taliu Metal
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4.6 Proprietăți optice
4.6.1 Indicele de refractie
Paladiu Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Mercur Metal
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4.6.2 reflexiei
Argint Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
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4.7 forme alotropice
Nu
Nu
4.7.1 alfa forme alotropice
Nu e disponibil
Nu e disponibil
4.7.2 p forme alotropice
Nu e disponibil
Nu e disponibil
4.7.3 y forme alotropice
Nu e disponibil
Nu e disponibil
5 Chimic
5.1 Formula chimica
Ho
Eu
5.2 izotopii
5.2.1 Izotopi cunoscute
Paladiu Metal
34
Rank: 5 (Overall)
31
Rank: 8 (Overall)
Tennessine Metal
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5.3 Electronegativitate
5.3.1 Pauling Electronegativitate
Aur Metal
1,23
Rank: 37 (Overall)
1,20
Rank: 39 (Overall)
franciu Metal
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5.3.2 Sanderson Electronegativitate
Cobalt Metal
Nu e disponibil
Rank: N/A (Overall)
1,01
Rank: 22 (Overall)
cesiu Metal
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5.3.3 Allred Rochow Electronegativitate
Galiu Metal
1,10
Rank: 30 (Overall)
Nu e disponibil
Rank: N/A (Overall)
cesiu Metal
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5.3.4 Mulliken-Jaffe Electronegativitate
Poloniu Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
cesiu Metal
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5.3.5 Allen Electronegativitate
berkelium Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
cesiu Metal
5.4 Electropositivity
5.4.1 Pauling Electropositivity
franciu Metal
2,77
Rank: 17 (Overall)
Nu e disponibil
Rank: N/A (Overall)
Aur Metal
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5.5 Energiile ionizarea
5.5.1 Primul nivel de energie
Crom Metal
581,00 kJ / mol
Rank: 62 (Overall)
547,10 kJ / mol
Rank: 71 (Overall)
cesiu Metal
5.5.2 Nivelul 2 Energie
Crom Metal
1.140,00 kJ / mol
Rank: 70 (Overall)
1.085,00 kJ / mol
Rank: 74 (Overall)
Ruteniu Metal
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5.5.3 3rd Level Energy
Crom Metal
2.204,00 kJ / mol
Rank: 63 (Overall)
2.404,00 kJ / mol
Rank: 51 (Overall)
Osmiu Metal
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5.5.4 4a Nivel de energie
Crom Metal
4.100,00 kJ / mol
Rank: 34 (Overall)
4.120,00 kJ / mol
Rank: 33 (Overall)
toriu Metal
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5.5.5 A 5 Nivel de energie
Crom Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Dubnium Metal
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5.5.6 A 6 Nivel de energie
Crom Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
seaborgiu Metal
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5.5.7 Nivelul de energie al 7-lea
Crom Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
bohrium Metal
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5.5.8 A 8-Level Energy
Crom Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
hassiu Metal
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5.5.9 Al 9-lea nivel de energie
Crom Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
itriu Metal
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5.5.10 A 10 Nivel de energie
Crom Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Stronţiu Metal
5.5.11 11 Nivelul de energie
Magneziu Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
itriu Metal
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5.5.12 12 Nivelul de energie
Magneziu Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
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5.5.13 13 Nivel de energie
Titan Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
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5.5.14 14 Nivel de energie
vanadiu Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
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5.5.15 15 Nivel de energie
Crom Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Mangan Metal
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5.5.16 16 Nivelul de energie
Mangan Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Fier Metal
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5.5.17 17 Nivelul de energie
Fier Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Cobalt Metal
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5.5.18 18 Nivelul de energie
Cobalt Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Nichel Metal
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5.5.19 19 Nivel de energie
Nichel Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Cupru Metal
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5.5.20 20 Nivelul de energie
Zinc Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
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5.5.21 21 Nivelul de energie
Zinc Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
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5.5.22 22 Nivelul de energie
Cupru Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
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5.5.23 23 Nivelul de energie
Cupru Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
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5.5.24 24 Nivelul de energie
Fier Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
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5.5.25 25 Nivelul de energie
molibdenul Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
5.5.26 26 Nivelul de energie
molibdenul Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
5.5.27 27 Nivelul de energie
molibdenul Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
5.5.28 28 Nivelul de energie
molibdenul Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
5.5.29 29 Nivelul de energie
molibdenul Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
1.1.2 30 Nivelul de energie
molibdenul Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
1.2 echivalent electrochimică
franciu Metal
2,02 g / amp-hr
Rank: 29 (Overall)
1,89 g / amp-hr
Rank: 33 (Overall)
beriliului Metal
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1.3 Funcția de electroni de lucru
Platină Metal
Nu e disponibil
Rank: N/A (Overall)
2,50 eV
Rank: 43 (Overall)
cesiu Metal
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1.5 Celelalte proprietăți chimice
Stabilitate chimică, anti coroziune, ionizarea, Izotopii radioactivi, Solubilitate
ionizarea, Izotopii radioactivi, Solubilitate
2 Atomic
2.1 Numar atomic
Tennessine Metal
67
Rank: 49 (Overall)
63
Rank: 53 (Overall)
litiu Metal
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2.3 Configuratie electronica
[Xe] 4f11 6s2
[Xe] 4f7 6s2
2.4 Structura de cristal
Hexagonala Închide Ambalat (HCP)
Corp Centrat cilindrică (CCA)
2.4.1 rețelei de cristal
2.5 Atom
2.5.1 Numărul de Protonii
Tennessine Metal
67
Rank: 48 (Overall)
63
Rank: 52 (Overall)
litiu Metal
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2.6.2 Numărul de Neutronii
Fleroviu Metal
98
Rank: 34 (Overall)
89
Rank: 38 (Overall)
litiu Metal
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2.6.4 Numărul de Electronii
Tennessine Metal
67
Rank: 48 (Overall)
63
Rank: 52 (Overall)
litiu Metal
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2.8 Raza unui Atom
2.8.1 Raza atomică
cesiu Metal
176,00 p.m
Rank: 18 (Overall)
180,00 p.m
Rank: 14 (Overall)
beriliului Metal
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2.8.3 Raza covalentă
franciu Metal
192,00 p.m
Rank: 17 (Overall)
198,00 p.m
Rank: 13 (Overall)
beriliului Metal
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2.8.5 Van der Waals Raza
franciu Metal
216,00 p.m
Rank: 24 (Overall)
233,00 p.m
Rank: 18 (Overall)
Zinc Metal
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2.9 Greutate atomica
Tennessine Metal
164,93 amu
Rank: 44 (Overall)
151,96 amu
Rank: 47 (Overall)
litiu Metal
2.11 volum atomic
cesiu Metal
18,70 cm3 / mol
Rank: 24 (Overall)
28,90 cm3 / mol
Rank: 8 (Overall)
Mangan Metal
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2.13 Numere atomice adiacente
2.13.1 Elementul precedent
2.13.2 Elementul următor
2.14 Valence Electron Potential
Platină Metal
47,90 (-EV)
Rank: 31 (Overall)
45,60 (-EV)
Rank: 35 (Overall)
franciu Metal
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2.15 Constant zabrele
Mangan Metal
357,73 p.m
Rank: 38 (Overall)
458,10 p.m
Rank: 17 (Overall)
beriliului Metal
2.16 zabrele Unghiuri
π/2, π/2, 2 π/3
π/2, π/2, π/2
2.17 C latice / A Ratio
cadmiu Metal
1,57
Rank: 17 (Overall)
Nu e disponibil
Rank: N/A (Overall)
beriliului Metal
3 Mecanic
3.1 Densitate
3.1.1 Densitatea la temperatura camerei
hassiu Metal
8,79 g / cm3
Rank: 46 (Overall)
5,26 g / cm3
Rank: 69 (Overall)
litiu Metal
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3.1.2 Densitate Când lichid (la mp)
Osmiu Metal
8,34 g / cm3
Rank: 26 (Overall)
5,13 g / cm3
Rank: 47 (Overall)
litiu Metal
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3.2 Rezistență la tracțiune
Fier Metal
Nu e disponibil
Rank: N/A (Overall)
120,00 MPa
Rank: 15 (Overall)
indiu Metal
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3.3 Viscozitate
Mercur Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Mercur Metal
3.4 Presiunea de vapori
3.4.1 Presiunea de vapori la 1000 K
Stronţiu Metal
0,00 (Pa)
Rank: 16 (Overall)
19,40 (Pa)
Rank: 4 (Overall)
ceriu Metal
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3.4.2 Presiunea de vapori la 2000 K
Crom Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Tungsten Metal
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3.5 Proprietățile elasticitate
3.5.1 shear Modulus
Osmiu Metal
26,30 GPa
Rank: 28 (Overall)
7,90 GPa
Rank: 44 (Overall)
Potasiu Metal
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3.5.2 Modulus în vrac
Osmiu Metal
40,20 GPa
Rank: 32 (Overall)
8,30 GPa
Rank: 46 (Overall)
cesiu Metal
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3.5.3 Modulul lui Young
Iridiu Metal
64,80 GPa
Rank: 31 (Overall)
18,20 GPa
Rank: 47 (Overall)
cesiu Metal
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3.6 poisson Raportul
Galiu Metal
0,23
Rank: 29 (Overall)
0,15
Rank: 34 (Overall)
beriliului Metal
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3.7 Alte proprietăți mecanice
Ductil, Maleabil, Sectile
Ductil
4 Magnetic
4.1 Caracteristici magnetice
4.1.1 Gravitație specifică
Cobalt Metal
8,80
Rank: 35 (Overall)
5,24
Rank: 55 (Overall)
litiu Metal
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4.1.2 Comenzi magnetice
paramagnetic
paramagnetic
4.1.3 Permeabilitate
Fier Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Bismut Metal
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4.1.4 Susceptibil
Fier Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Bismut Metal
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4.2 Proprietăți electrice
4.2.1 Domeniul imobilier electrice
Conductor
Conductor
4.2.2 Rezistivitatea
Mercur Metal
814,00 nΩ · m
Rank: 4 (Overall)
0,90 nΩ · m
Rank: 62 (Overall)
taliu Metal
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4.2.3 Conductivitate electrică
Argint Metal
0,01 10 6 / cm Ω
Rank: 52 (Overall)
0,01 10 6 / cm Ω
Rank: 55 (Overall)
Plutoniu Metal
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4.2.4 electron afinitate
Aur Metal
50,00 kJ / mol
Rank: 21 (Overall)
50,00 kJ / mol
Rank: 21 (Overall)
Mercur Metal
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5 Termic
5.1 Căldura specifică
litiu Metal
0,16 J / (kg K)
Rank: 35 (Overall)
0,18 J / (kg K)
Rank: 33 (Overall)
americiu Metal
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5.2 Molara Capacitatea de căldură
americiu Metal
27,15 J / mol · K
Rank: 19 (Overall)
27,66 J / mol · K
Rank: 16 (Overall)
beriliului Metal
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5.3 Conductivitate termică
Argint Metal
16,20 W / m · K
Rank: 52 (Overall)
13,90 W / m · K
Rank: 56 (Overall)
neptuniu Metal
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5.4 Temperatura critică
litiu Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
yterbiu Metal
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5.5 Expansiunea termică
cesiu Metal
11,20 pm / (m · K)
Rank: 35 (Overall)
35,00 pm / (m · K)
Rank: 8 (Overall)
Tungsten Metal
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5.6 entalpia
5.6.1 Entalpia de Vaporizarea
Tungsten Metal
241,00 kJ / mol
Rank: 38 (Overall)
143,50 kJ / mol
Rank: 48 (Overall)
Zinc Metal
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5.6.2 Entalpie Fusion
Tungsten Metal
11,76 kJ / mol
Rank: 29 (Overall)
9,21 kJ / mol
Rank: 37 (Overall)
cesiu Metal
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5.6.3 Entalpie de atomizare
Tungsten Metal
301,00 kJ / mol
Rank: 36 (Overall)
180,00 kJ / mol
Rank: 47 (Overall)
Mercur Metal
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5.7 Standard Molar Entropy
protactiniu Met..
75,30 J / mol.K
Rank: 8 (Overall)
77,80 J / mol.K
Rank: 4 (Overall)
beriliului Metal
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