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Potasiu
Potasiu

rubidiu
rubidiu



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Potasiu
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rubidiu

Potasiu vs rubidiu

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1 Tabelul periodic
1.1 Simbol
K
Rb
1.2 Număr grup
Tennessine Metal
1
Rank: 17 (Overall)
1
Rank: 17 (Overall)
gadoliniu Metal
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1.3 perioada Număr
Uraniu Metal
4
Rank: 4 (Overall)
5
Rank: 3 (Overall)
litiu Metal
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1.4 bloc
s block
s block
1.5 Element de familie
alcaliu
alcaliu
1.6 Numărul CAS
roentgeniu Metal
7440097
Rank: 70 (Overall)
7440177
Rank: 62 (Overall)
Aluminiu Metal
1.7 Nume grup spațiu
3m Im_
3m Im_
1.8 Număr spațiu grup
Sodiu Metal
229,00
Rank: 1 (Overall)
229,00
Rank: 1 (Overall)
Plutoniu Metal
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2 Fapte
2.1 Fapte interesante
  • In lista de mai abundent element de potasiu este clasat pe locul al 7-lea.
  • Potasiu poate fi ușor tăiate (tocat) în jos, folosind cuțit.
  • Rubidiu de metal este un element al 16-lea cel mai frecvent găsit în scoarța terestră.
  • metalice rubidiu, de asemenea, găsite în minerale precum și apa de mare.
2.2 surse
S-au găsit în minerale, Minerit
S-a obținut din producția de litiu.
2.3 Istorie
2.3.1 care a descoperit
Humphry Davy
Robert Bunsen and Gustav Kirchhoff
2.3.2 Descoperire
în 1807
în 1861
2.4 Abundenţă
2.4.1 Abundenței În Universul
Fier Metal
3 * 10-4 %
Rank: 9 (Overall)
1 * 10-6 %
Rank: 16 (Overall)
taliu Metal
2.4.2 Abundenței În Soare
Fier Metal
~0.0004 %
Rank: 9 (Overall)
~0.000003 %
Rank: 17 (Overall)
beriliului Metal
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2.4.3 Abundenței În Meteoriți
Fier Metal
0,07 %
Rank: 9 (Overall)
0,00 %
Rank: 19 (Overall)
Aur Metal
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2.4.4 Abundenței în scoarța Pământului
Aluminiu Metal
1,50 %
Rank: 6 (Overall)
0,01 %
Rank: 18 (Overall)
Radiu Metal
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2.4.5 Abundenței în oceanele
Sodiu Metal
0,04 %
Rank: 3 (Overall)
0,00 %
Rank: 7 (Overall)
protactiniu Metal
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2.4.6 Abundenței la om
Calciu Metal
0,20 %
Rank: 2 (Overall)
0,00 %
Rank: 7 (Overall)
Radiu Metal
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3 utilizări
3.1 Utilizări și beneficii
  • Compușii de potasiu sunt în cerere mare pentru aplicarea lor în fabricarea de îngrășăminte.
  • carbonat de potasiu este utilizat în fabricarea sticlei și carbonat de potasiu în fabricarea de detergent și corp de spălare.
  • cererea principală a rubidiu este în fabricarea sticlei.
  • Rubidiu poate ajunge foarte ușor ionizat și, prin urmare, este utilizat pentru motoarele de ioni, dar este mai puțin eficientă decât cea a Cesiu.
3.1.1 Utilizări industriale
industria de muniție, Industria chimica
N / A
3.1.2 Utilizări medicale
Industria farmaceutica
N / A
3.1.3 alte utilizări
N / A
Aliaje, Scopuri de cercetare
3.2 Proprietățile biologice
3.2.1 Toxicitate
Toxic
non Toxic
3.2.2 Prezent în corpul uman
da
da
3.2.3 in Blood
Sodiu Metal
1.620,00 Sânge / mg dm-3
Rank: 2 (Overall)
2,49 Sânge / mg dm-3
Rank: 7 (Overall)
Plutoniu Metal
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3.2.4 in Bone
Calciu Metal
2.100,00 ppm
Rank: 3 (Overall)
5,00 ppm
Rank: 13 (Overall)
Plutoniu Metal
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4 Fizic
4.1 Punct de topire
Tungsten Metal
63,65 ° C
Rank: 77 (Overall)
38,89 ° C
Rank: 78 (Overall)
franciu Metal
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4.2 Punct de fierbere
Tungsten Metal
774,00 ° C
Rank: 72 (Overall)
688,00 ° C
Rank: 74 (Overall)
Fleroviu Metal
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4.3 Aspect
4.3.1 Stare fizică
Solid
Solid
4.3.2 Culoare
Gray argintat
grayish alb
4.3.3 Luciu
N / A
N / A
4.4 Duritate
4.4.1 Mohs Duritate
Crom Metal
0,40
Rank: 23 (Overall)
0,30
Rank: 24 (Overall)
cesiu Metal
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4.4.2 Duritatea Brinell
Osmiu Metal
0,36 MPa
Rank: 54 (Overall)
0,22 MPa
Rank: 55 (Overall)
cesiu Metal
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4.4.3 Duritatea Vickers
Tungsten Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Paladiu Metal
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4.5 Viteza sunetului
tehnețiu Metal
2.000,00 Domnișoară
Rank: 45 (Overall)
1.300,00 Domnișoară
Rank: 50 (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
K
Rb
5.2 izotopii
5.2.1 Izotopi cunoscute
Paladiu Metal
20
Rank: 19 (Overall)
29
Rank: 10 (Overall)
Tennessine Metal
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5.3 Electronegativitate
5.3.1 Pauling Electronegativitate
Aur Metal
0,82
Rank: 51 (Overall)
0,82
Rank: 51 (Overall)
franciu Metal
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5.3.2 Sanderson Electronegativitate
Cobalt Metal
0,45
Rank: 31 (Overall)
0,31
Rank: 32 (Overall)
cesiu Metal
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5.3.3 Allred Rochow Electronegativitate
Galiu Metal
0,91
Rank: 39 (Overall)
0,89
Rank: 40 (Overall)
cesiu Metal
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5.3.4 Mulliken-Jaffe Electronegativitate
Poloniu Metal
0,73
Rank: 23 (Overall)
0,69
Rank: 24 (Overall)
cesiu Metal
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5.3.5 Allen Electronegativitate
berkelium Metal
0,73
Rank: 45 (Overall)
0,71
Rank: 46 (Overall)
cesiu Metal
5.4 Electropositivity
5.4.1 Pauling Electropositivity
franciu Metal
3,18
Rank: 3 (Overall)
3,18
Rank: 3 (Overall)
Aur Metal
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5.5 Energiile ionizarea
5.5.1 Primul nivel de energie
Crom Metal
418,80 kJ / mol
Rank: 87 (Overall)
403,00 kJ / mol
Rank: 88 (Overall)
cesiu Metal
5.5.2 Nivelul 2 Energie
Crom Metal
3.052,00 kJ / mol
Rank: 5 (Overall)
2.633,00 kJ / mol
Rank: 6 (Overall)
Ruteniu Metal
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5.5.3 3rd Level Energy
Crom Metal
4.420,00 kJ / mol
Rank: 8 (Overall)
3.860,00 kJ / mol
Rank: 11 (Overall)
Osmiu Metal
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5.5.4 4a Nivel de energie
Crom Metal
5.877,00 kJ / mol
Rank: 9 (Overall)
5.080,00 kJ / mol
Rank: 18 (Overall)
toriu Metal
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5.5.5 A 5 Nivel de energie
Crom Metal
7.975,00 kJ / mol
Rank: 8 (Overall)
6.850,00 kJ / mol
Rank: 19 (Overall)
Dubnium Metal
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5.5.6 A 6 Nivel de energie
Crom Metal
9.590,00 kJ / mol
Rank: 13 (Overall)
8.140,00 kJ / mol
Rank: 20 (Overall)
seaborgiu Metal
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5.5.7 Nivelul de energie al 7-lea
Crom Metal
11.343,00 kJ / mol
Rank: 17 (Overall)
9.570,00 kJ / mol
Rank: 20 (Overall)
bohrium Metal
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5.5.8 A 8-Level Energy
Crom Metal
14.944,00 kJ / mol
Rank: 13 (Overall)
13.120,00 kJ / mol
Rank: 17 (Overall)
hassiu Metal
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5.5.9 Al 9-lea nivel de energie
Crom Metal
16.963,70 kJ / mol
Rank: 15 (Overall)
14.500,00 kJ / mol
Rank: 18 (Overall)
itriu Metal
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5.5.10 A 10 Nivel de energie
Crom Metal
48.610,00 kJ / mol
Rank: 3 (Overall)
26.740,00 kJ / mol
Rank: 6 (Overall)
Stronţiu Metal
5.5.11 11 Nivelul de energie
Magneziu Metal
54.490,00 kJ / mol
Rank: 4 (Overall)
Nu e disponibil
Rank: N/A (Overall)
itriu Metal
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1.2.2 12 Nivelul de energie
Magneziu Metal
60.730,00 kJ / mol
Rank: 4 (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
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1.3.2 13 Nivel de energie
Titan Metal
68.950,00 kJ / mol
Rank: 4 (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
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1.3.4 14 Nivel de energie
vanadiu Metal
75.900,00 kJ / mol
Rank: 5 (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
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1.3.6 15 Nivel de energie
Crom Metal
83.080,00 kJ / mol
Rank: 6 (Overall)
Nu e disponibil
Rank: N/A (Overall)
Mangan Metal
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1.3.7 16 Nivelul de energie
Mangan Metal
93.400,00 kJ / mol
Rank: 7 (Overall)
Nu e disponibil
Rank: N/A (Overall)
Fier Metal
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1.3.9 17 Nivelul de energie
Fier Metal
99.710,00 kJ / mol
Rank: 8 (Overall)
Nu e disponibil
Rank: N/A (Overall)
Cobalt Metal
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1.3.11 18 Nivelul de energie
Cobalt Metal
Nu e disponibil
Rank: 100 (Overall)
Nu e disponibil
Rank: N/A (Overall)
Nichel Metal
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1.4.2 19 Nivel de energie
Nichel Metal
Nu e disponibil
Rank: 100 (Overall)
Nu e disponibil
Rank: N/A (Overall)
Cupru Metal
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1.5.2 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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1.5.4 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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1.5.6 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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1.5.8 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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1.5.10 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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1.5.12 25 Nivelul de energie
molibdenul Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
1.5.13 26 Nivelul de energie
molibdenul Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
1.5.15 27 Nivelul de energie
molibdenul Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
1.5.16 28 Nivelul de energie
molibdenul Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
1.5.18 29 Nivelul de energie
molibdenul Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
1.5.19 30 Nivelul de energie
molibdenul Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
1.6 echivalent electrochimică
franciu Metal
1,46 g / amp-hr
Rank: 47 (Overall)
3,19 g / amp-hr
Rank: 14 (Overall)
beriliului Metal
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1.7 Funcția de electroni de lucru
Platină Metal
2,30 eV
Rank: 44 (Overall)
2,16 eV
Rank: 45 (Overall)
cesiu Metal
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1.8 Celelalte proprietăți chimice
Stabilitate chimică, inflamabilitatea, ionizarea, Solubilitate
Coroziune, ionizarea, Izotopii radioactivi, Radioactivitate
2 Atomic
2.1 Numar atomic
Tennessine Metal
19
Rank: 87 (Overall)
37
Rank: 75 (Overall)
litiu Metal
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2.2 Configuratie electronica
[Ar] 4s1
[Kr] 5s1
2.3 Structura de cristal
Corp Centrat cilindrică (CCA)
Corp Centrat cilindrică (CCA)
2.3.1 rețelei de cristal
2.4 Atom
2.4.1 Numărul de Protonii
Tennessine Metal
19
Rank: 86 (Overall)
37
Rank: 74 (Overall)
litiu Metal
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2.4.3 Numărul de Neutronii
Fleroviu Metal
20
Rank: 64 (Overall)
48
Rank: 56 (Overall)
litiu Metal
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2.4.4 Numărul de Electronii
Tennessine Metal
19
Rank: 86 (Overall)
37
Rank: 74 (Overall)
litiu Metal
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2.5 Raza unui Atom
2.5.1 Raza atomică
cesiu Metal
227,00 p.m
Rank: 3 (Overall)
248,00 p.m
Rank: 2 (Overall)
beriliului Metal
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2.5.3 Raza covalentă
franciu Metal
203,00 p.m
Rank: 9 (Overall)
220,00 p.m
Rank: 4 (Overall)
beriliului Metal
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2.5.5 Van der Waals Raza
franciu Metal
275,00 p.m
Rank: 5 (Overall)
303,00 p.m
Rank: 3 (Overall)
Zinc Metal
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2.6 Greutate atomica
Tennessine Metal
39,10 amu
Rank: 81 (Overall)
85,47 amu
Rank: 69 (Overall)
litiu Metal
2.7 volum atomic
cesiu Metal
45,46 cm3 / mol
Rank: 3 (Overall)
55,90 cm3 / mol
Rank: 2 (Overall)
Mangan Metal
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2.8 Numere atomice adiacente
2.8.1 Elementul precedent
2.8.2 Elementul următor
2.9 Valence Electron Potential
Platină Metal
10,40 (-EV)
Rank: 63 (Overall)
9,47 (-EV)
Rank: 65 (Overall)
franciu Metal
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2.10 Constant zabrele
Mangan Metal
532,80 p.m
Rank: 12 (Overall)
558,50 p.m
Rank: 10 (Overall)
beriliului Metal
2.11 zabrele Unghiuri
π/2, π/2, π/2
π/2, π/2, π/2
2.12 C latice / A Ratio
cadmiu Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
beriliului Metal
3 Mecanic
3.1 Densitate
3.1.1 Densitatea la temperatura camerei
hassiu Metal
0,86 g / cm3
Rank: 83 (Overall)
1,53 g / cm3
Rank: 81 (Overall)
litiu Metal
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3.1.3 Densitate Când lichid (la mp)
Osmiu Metal
0,83 g / cm3
Rank: 59 (Overall)
1,46 g / cm3
Rank: 56 (Overall)
litiu Metal
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3.2 Rezistență la tracțiune
Fier Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (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
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
ceriu Metal
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3.4.4 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
1,30 GPa
Rank: 52 (Overall)
Nu e disponibil
Rank: N/A (Overall)
Potasiu Metal
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3.6.1 Modulus în vrac
Osmiu Metal
3,10 GPa
Rank: 48 (Overall)
2,50 GPa
Rank: 49 (Overall)
cesiu Metal
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3.7.1 Modulul lui Young
Iridiu Metal
3,53 GPa
Rank: 56 (Overall)
2,40 GPa
Rank: 57 (Overall)
cesiu Metal
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3.9 poisson Raportul
Galiu Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
beriliului Metal
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3.10 Alte proprietăți mecanice
N / A
Ductil
4 Magnetic
4.1 Caracteristici magnetice
4.1.1 Gravitație specifică
Cobalt Metal
0,86
Rank: 69 (Overall)
1,53
Rank: 67 (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
72,00 nΩ · m
Rank: 37 (Overall)
128,00 nΩ · m
Rank: 26 (Overall)
taliu Metal
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4.2.3 Conductivitate electrică
Argint Metal
0,14 10 6 / cm Ω
Rank: 14 (Overall)
0,08 10 6 / cm Ω
Rank: 24 (Overall)
Plutoniu Metal
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4.2.4 electron afinitate
Aur Metal
48,40 kJ / mol
Rank: 22 (Overall)
46,90 kJ / mol
Rank: 24 (Overall)
Mercur Metal
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5 Termic
5.1 Căldura specifică
litiu Metal
0,75 J / (kg K)
Rank: 6 (Overall)
0,36 J / (kg K)
Rank: 17 (Overall)
americiu Metal
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5.2 Molara Capacitatea de căldură
americiu Metal
29,60 J / mol · K
Rank: 6 (Overall)
31,06 J / mol · K
Rank: 5 (Overall)
beriliului Metal
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5.3 Conductivitate termică
Argint Metal
102,50 W / m · K
Rank: 15 (Overall)
58,20 W / m · K
Rank: 26 (Overall)
neptuniu Metal
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5.4 Temperatura critică
litiu Metal
2.223,00 K
Rank: 3 (Overall)
2.093,00 K
Rank: 4 (Overall)
yterbiu Metal
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5.5 Expansiunea termică
cesiu Metal
83,30 pm / (m · K)
Rank: 3 (Overall)
90,00 pm / (m · K)
Rank: 2 (Overall)
Tungsten Metal
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5.6 entalpia
5.6.1 Entalpia de Vaporizarea
Tungsten Metal
77,50 kJ / mol
Rank: 55 (Overall)
69,20 kJ / mol
Rank: 56 (Overall)
Zinc Metal
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5.6.2 Entalpie Fusion
Tungsten Metal
2,32 kJ / mol
Rank: 60 (Overall)
2,19 kJ / mol
Rank: 62 (Overall)
cesiu Metal
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5.6.3 Entalpie de atomizare
Tungsten Metal
89,50 kJ / mol
Rank: 58 (Overall)
82,00 kJ / mol
Rank: 59 (Overall)
Mercur Metal
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5.7 Standard Molar Entropy
protactiniu Met..
64,70 J / mol.K
Rank: 18 (Overall)
76,80 J / mol.K
Rank: 5 (Overall)
beriliului Metal
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