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Comparați samariu și hafniu

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1 Tabelul periodic
1.1 Simbol
Sm
Hf
1.2 Număr grup
Tennessine elem..
Nu e disponibil
Rank: N/A (Overall)
4
Rank: 14 (Overall)
gadoliniu element
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1.3 perioada Număr
Uraniu element
6
Rank: 2 (Overall)
6
Rank: 2 (Overall)
litiu element
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1.4 bloc
f block
d block
1.5 Element de familie
lantanidelor
metal de tranziție
1.6 Numărul CAS
roentgeniu elem..
7440199
Rank: 60 (Overall)
7440586
Rank: 30 (Overall)
Aluminiu element
1.7 Nume grup spațiu
R_ 3m
P63 / mmc
1.8 Număr spațiu grup
Sodiu element
166,00
Rank: 6 (Overall)
194,00
Rank: 5 (Overall)
Plutoniu element
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2 Fapte
2.1 Fapte interesante
  • metale samariu ajuta stimularea metabolismul organismului.
  • metale samariu a fost primul observat de către Jean Charles Galissard de Marignac în Dydimia în 1853.
  • Hafniu metal este extrem de reactiv, prin urmare, nu a fost găsit liber în natură.
  • de metal hafniu ca dupa predicated Mendeleev a terminat masa lui periodic.
2.2 surse
S-au găsit în minerale, Minerit, Minereurile de minerale
Produsul secundar Zirconiu Rafinare
2.3 Istorie
2.3.1 care a descoperit
Lecoq de Boisbaudran
Dirk Coster and George de Hevesy
2.3.2 Descoperire
în 1879
în 1922
2.4 Abundenţă
2.4.1 Abundenței În Universul
Fier element
5 * 10-7 %
Rank: 19 (Overall)
7 * 10-8 %
Rank: 25 (Overall)
taliu element
2.4.2 Abundenței În Soare
Fier element
~0.0000001 %
Rank: 26 (Overall)
~0.0000001 %
Rank: 26 (Overall)
beriliului element
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2.4.3 Abundenței În Meteoriți
Fier element
0,00 %
Rank: 37 (Overall)
0,00 %
Rank: 37 (Overall)
Aur element
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2.4.4 Abundenței în scoarța Pământului
Aluminiu element
0,00 %
Rank: 29 (Overall)
0,00 %
Rank: 31 (Overall)
Radiu element
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2.4.5 Abundenței în oceanele
Sodiu element
0,00 %
Rank: 40 (Overall)
0,00 %
Rank: 27 (Overall)
protactiniu element
2.4.6 Abundenței la om
Calciu element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Radiu element
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3 utilizări
3.1 Utilizări și beneficii
Character length exceed error
Character length exceed error
3.1.1 Utilizări industriale
industria aerospațială, industria de automobile, Industria chimica, industria electrotehnică, industria electronică
industria de muniție
3.1.2 Utilizări medicale
N / A
N / A
3.1.3 alte utilizări
Aliaje, În reactoarele nucleare
Aliaje, În reactoarele nucleare, Cercetarea nucleară, Scopuri de cercetare
3.2 Proprietățile biologice
3.2.1 Toxicitate
puţin Toxic
Toxic
3.2.2 Prezent în corpul uman
da
Nu
3.2.3 in Blood
Sodiu element
0,01 Sânge / mg dm-3
Rank: 22 (Overall)
Nu e disponibil
Rank: N/A (Overall)
Plutoniu element
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3.2.4 in Bone
Calciu element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Plutoniu element
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4 Fizic
4.1 Punct de topire
Tungsten element
1.072,00 ° C
Rank: 41 (Overall)
2.150,00 ° C
Rank: 10 (Overall)
franciu element
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4.2 Punct de fierbere
Tungsten element
1.900,00 ° C
Rank: 52 (Overall)
5.400,00 ° C
Rank: 5 (Overall)
Fleroviu element
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4.3 Aspect
4.3.1 Stare fizică
Solid
Solid
4.3.2 Culoare
silvery alb
Gri
4.3.3 Luciu
Lucios
Metalic
4.4 Duritate
4.4.1 Mohs Duritate
Crom element
Nu e disponibil
Rank: N/A (Overall)
5,50
Rank: 7 (Overall)
cesiu element
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4.4.2 Duritatea Brinell
Osmiu element
441,00 MPa
Rank: 27 (Overall)
1.450,00 MPa
Rank: 6 (Overall)
cesiu element
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4.4.3 Duritatea Vickers
Tungsten element
412,00 MPa
Rank: 24 (Overall)
1.520,00 MPa
Rank: 5 (Overall)
Paladiu element
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4.5 Viteza sunetului
tehnețiu element
2.130,00 Domnișoară
Rank: 42 (Overall)
3.010,00 Domnișoară
Rank: 27 (Overall)
taliu element
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4.6 Proprietăți optice
4.6.1 Indicele de refractie
Paladiu element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Mercur element
4.6.2 reflexiei
Argint element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
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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
Sm
Hf
5.2 izotopii
5.2.1 Izotopi cunoscute
Paladiu element
30
Rank: 9 (Overall)
32
Rank: 7 (Overall)
Tennessine element
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5.3 Electronegativitate
5.3.1 Pauling Electronegativitate
Aur element
1,17
Rank: 40 (Overall)
1,30
Rank: 32 (Overall)
franciu element
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5.3.2 Sanderson Electronegativitate
Cobalt element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
cesiu element
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5.3.3 Allred Rochow Electronegativitate
Galiu element
1,07
Rank: 32 (Overall)
1,23
Rank: 25 (Overall)
cesiu element
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5.3.4 Mulliken-Jaffe Electronegativitate
Poloniu element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
cesiu element
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5.3.5 Allen Electronegativitate
berkelium eleme..
Nu e disponibil
Rank: N/A (Overall)
1,16
Rank: 37 (Overall)
cesiu element
5.4 Electropositivity
5.4.1 Pauling Electropositivity
franciu element
2,83
Rank: 14 (Overall)
2,70
Rank: 22 (Overall)
Aur element
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5.5 Energiile ionizarea
5.5.1 Primul nivel de energie
Crom element
544,50 kJ / mol
Rank: 72 (Overall)
658,50 kJ / mol
Rank: 40 (Overall)
cesiu element
5.5.2 Nivelul 2 Energie
Crom element
1.070,00 kJ / mol
Rank: 75 (Overall)
1.440,00 kJ / mol
Rank: 44 (Overall)
Ruteniu element
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5.5.3 3rd Level Energy
Crom element
2.260,00 kJ / mol
Rank: 59 (Overall)
2.250,00 kJ / mol
Rank: 60 (Overall)
Osmiu element
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5.5.4 4a Nivel de energie
Crom element
3.990,00 kJ / mol
Rank: 37 (Overall)
3.216,00 kJ / mol
Rank: 63 (Overall)
toriu element
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5.5.5 A 5 Nivel de energie
Crom element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Dubnium element
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5.5.6 A 6 Nivel de energie
Crom element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
seaborgiu element
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5.5.7 Nivelul de energie al 7-lea
Crom element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
bohrium element
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5.5.8 A 8-Level Energy
Crom element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
hassiu element
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5.5.9 Al 9-lea nivel de energie
Crom element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
itriu element
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5.5.10 A 10 Nivel de energie
Crom element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Stronţiu element
5.5.11 11 Nivelul de energie
Magneziu element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
itriu element
5.5.12 12 Nivelul de energie
Magneziu element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
5.5.13 13 Nivel de energie
Titan element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
5.5.14 14 Nivel de energie
vanadiu element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
5.5.15 15 Nivel de energie
Crom element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Mangan element
5.5.16 16 Nivelul de energie
Mangan element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Fier element
5.5.17 17 Nivelul de energie
Fier element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Cobalt element
5.5.18 18 Nivelul de energie
Cobalt element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Nichel element
5.5.19 19 Nivel de energie
Nichel element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Cupru element
5.5.20 20 Nivelul de energie
Zinc element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
5.5.21 21 Nivelul de energie
Zinc element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
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5.5.22 22 Nivelul de energie
Cupru element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
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5.5.23 23 Nivelul de energie
Cupru element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
5.5.24 24 Nivelul de energie
Fier element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
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5.5.25 25 Nivelul de energie
molibdenul elem..
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
5.5.26 26 Nivelul de energie
molibdenul elem..
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
5.5.27 27 Nivelul de energie
molibdenul elem..
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
5.5.28 28 Nivelul de energie
molibdenul elem..
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
5.5.29 29 Nivelul de energie
molibdenul elem..
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
5.5.30 30 Nivelul de energie
molibdenul elem..
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
5.6 echivalent electrochimică
franciu element
1,87 g / amp-hr
Rank: 34 (Overall)
1,66 g / amp-hr
Rank: 44 (Overall)
beriliului element
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5.7 Funcția de electroni de lucru
Platină element
2,70 eV
Rank: 41 (Overall)
3,90 eV
Rank: 27 (Overall)
cesiu element
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5.8 Celelalte proprietăți chimice
ionizarea, Izotopii radioactivi
anti coroziune, ionizarea, Izotopii radioactivi, Solubilitate
6 Atomic
6.1 Numar atomic
Tennessine elem..
62
Rank: 54 (Overall)
72
Rank: 44 (Overall)
litiu element
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6.2 Configuratie electronica
[Xe] 4f6 6s2
[Xe] 4f14 5d2 6s2
6.3 Structura de cristal
Romboedrică (RHO)
Hexagonala Închide Ambalat (HCP)
6.3.1 rețelei de cristal
6.4 Atom
6.4.1 Numărul de Protonii
Tennessine elem..
62
Rank: 53 (Overall)
72
Rank: 43 (Overall)
litiu element
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6.4.2 Numărul de Neutronii
Fleroviu element
88
Rank: 39 (Overall)
106
Rank: 29 (Overall)
litiu element
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6.4.3 Numărul de Electronii
Tennessine elem..
62
Rank: 53 (Overall)
72
Rank: 43 (Overall)
litiu element
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6.5 Raza unui Atom
6.5.1 Raza atomică
cesiu element
180,00 p.m
Rank: 14 (Overall)
159,00 p.m
Rank: 28 (Overall)
beriliului element
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6.5.2 Raza covalentă
franciu element
198,00 p.m
Rank: 13 (Overall)
175,00 p.m
Rank: 23 (Overall)
beriliului element
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6.5.3 Van der Waals Raza
franciu element
229,00 p.m
Rank: 20 (Overall)
200,00 p.m
Rank: 28 (Overall)
Zinc element
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6.6 Greutate atomica
Tennessine elem..
150,36 amu
Rank: 48 (Overall)
178,49 amu
Rank: 39 (Overall)
litiu element
6.7 volum atomic
cesiu element
19,95 cm3 / mol
Rank: 19 (Overall)
13,60 cm3 / mol
Rank: 38 (Overall)
Mangan element
1.3 Numere atomice adiacente
1.3.1 Elementul precedent
1.3.2 Elementul următor
1.4 Valence Electron Potential
Platină element
44,80 (-EV)
Rank: 37 (Overall)
81,00 (-EV)
Rank: 16 (Overall)
franciu element
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1.6 Constant zabrele
Mangan element
362,10 p.m
Rank: 33 (Overall)
319,64 p.m
Rank: 55 (Overall)
beriliului element
1.10 zabrele Unghiuri
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
1.11 C latice / A Ratio
cadmiu element
Nu e disponibil
Rank: N/A (Overall)
1,58
Rank: 12 (Overall)
beriliului element
2 Mecanic
2.1 Densitate
2.1.1 Densitatea la temperatura camerei
hassiu element
7,52 g / cm3
Rank: 53 (Overall)
13,31 g / cm3
Rank: 26 (Overall)
litiu element
ADD ⊕
2.1.2 Densitate Când lichid (la mp)
Osmiu element
7,16 g / cm3
Rank: 32 (Overall)
12,00 g / cm3
Rank: 12 (Overall)
litiu element
ADD ⊕
2.2 Rezistență la tracțiune
Fier element
Nu e disponibil
Rank: N/A (Overall)
445,00 MPa
Rank: 8 (Overall)
indiu element
ADD ⊕
2.3 Viscozitate
Mercur element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Mercur element
2.4 Presiunea de vapori
2.4.1 Presiunea de vapori la 1000 K
Stronţiu element
0,94 (Pa)
Rank: 9 (Overall)
Nu e disponibil
Rank: N/A (Overall)
ceriu element
ADD ⊕
2.4.2 Presiunea de vapori la 2000 K
Crom element
Nu e disponibil
Rank: N/A (Overall)
0,00 (Pa)
Rank: 24 (Overall)
Tungsten element
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2.5 Proprietățile elasticitate
2.5.1 shear Modulus
Osmiu element
19,50 GPa
Rank: 34 (Overall)
30,00 GPa
Rank: 23 (Overall)
Potasiu element
ADD ⊕
2.5.2 Modulus în vrac
Osmiu element
37,80 GPa
Rank: 35 (Overall)
110,00 GPa
Rank: 15 (Overall)
cesiu element
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2.5.3 Modulul lui Young
Iridiu element
49,70 GPa
Rank: 37 (Overall)
78,00 GPa
Rank: 25 (Overall)
cesiu element
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2.6 poisson Raportul
Galiu element
0,27
Rank: 19 (Overall)
0,37
Rank: 7 (Overall)
beriliului element
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2.7 Alte proprietăți mecanice
N / A
Ductil, Maleabil
3 Magnetic
3.1 Caracteristici magnetice
3.1.1 Gravitație specifică
Cobalt element
7,52
Rank: 41 (Overall)
13,31
Rank: 18 (Overall)
litiu element
ADD ⊕
3.1.2 Comenzi magnetice
paramagnetic
paramagnetic
3.1.3 Permeabilitate
Fier element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Bismut element
ADD ⊕
3.1.4 Susceptibil
Fier element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Bismut element
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3.2 Proprietăți electrice
3.2.1 Domeniul imobilier electrice
Conductor
Conductor
3.2.2 Rezistivitatea
Mercur element
0,94 nΩ · m
Rank: 61 (Overall)
331,00 nΩ · m
Rank: 14 (Overall)
taliu element
ADD ⊕
3.2.3 Conductivitate electrică
Argint element
0,01 10 6 / cm Ω
Rank: 58 (Overall)
0,03 10 6 / cm Ω
Rank: 39 (Overall)
Plutoniu element
ADD ⊕
3.2.4 electron afinitate
Aur element
50,00 kJ / mol
Rank: 21 (Overall)
0,00 kJ / mol
Rank: 40 (Overall)
Mercur element
ADD ⊕
4 Termic
4.1 Căldura specifică
litiu element
0,20 J / (kg K)
Rank: 31 (Overall)
0,14 J / (kg K)
Rank: 37 (Overall)
americiu element
4.2 Molara Capacitatea de căldură
americiu element
29,54 J / mol · K
Rank: 7 (Overall)
25,73 J / mol · K
Rank: 36 (Overall)
beriliului element
4.3 Conductivitate termică
Argint element
13,30 W / m · K
Rank: 58 (Overall)
23,00 W / m · K
Rank: 41 (Overall)
neptuniu element
4.4 Temperatura critică
litiu element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
yterbiu element
ADD ⊕
4.5 Expansiunea termică
cesiu element
12,70 pm / (m · K)
Rank: 30 (Overall)
5,90 pm / (m · K)
Rank: 54 (Overall)
Tungsten element
ADD ⊕
4.6 entalpia
4.6.1 Entalpia de Vaporizarea
Tungsten element
166,40 kJ / mol
Rank: 44 (Overall)
661,10 kJ / mol
Rank: 5 (Overall)
Zinc element
4.6.2 Entalpie Fusion
Tungsten element
8,62 kJ / mol
Rank: 40 (Overall)
25,10 kJ / mol
Rank: 8 (Overall)
cesiu element
ADD ⊕
4.6.3 Entalpie de atomizare
Tungsten element
209,00 kJ / mol
Rank: 43 (Overall)
703,00 kJ / mol
Rank: 5 (Overall)
Mercur element
ADD ⊕
4.7 Standard Molar Entropy
protactiniu ele..
69,60 J / mol.K
Rank: 15 (Overall)
43,60 J / mol.K
Rank: 34 (Overall)
beriliului element
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