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Comparați protactiniu și neodimiu

1 Tabelul periodic
1.1 Simbol
Pa
Nd
1.2 Număr grup
Tennessine elem..
Nu e disponibil
Rank: N/A (Overall)
1
Rank: 17 (Overall)
gadoliniu element
ADD ⊕
1.3 perioada Număr
Uraniu element
7
Rank: 1 (Overall)
6
Rank: 2 (Overall)
litiu element
ADD ⊕
1.4 bloc
f block
f block
1.5 Element de familie
actinide
lantanidelor
1.6 Numărul CAS
roentgeniu elem..
7440133
Rank: 66 (Overall)
7440008
Rank: 78 (Overall)
Aluminiu element
1.7 Nume grup spațiu
I4 / mmm
P63 / mmc
1.8 Număr spațiu grup
Sodiu element
139,00
Rank: 8 (Overall)
194,00
Rank: 5 (Overall)
Plutoniu element
ADD ⊕
2 Fapte
2.1 Fapte interesante
  • din metal protactiniu are 29 izotopi.
  • Izotopii de protactiniu-231 utilizate în armă nucleară.
  • Neodymium nu este găsit liber în natură, prin urmare, acesta nu este un metal nativ.
  • de metal din neodim găsite în minerale, cum ar fi monazitul și Bastnaesite.
2.2 surse
S-au găsit în minereul de uraniu, Minerit, Minereu metale
S-au găsit în minerale, Minerit
2.3 Istorie
2.3.1 care a descoperit
William Crookes
Carl Auer von Welsbach
2.3.2 Descoperire
în 1900
în 1885
2.4 Abundenţă
2.4.1 Abundenței În Universul
Fier element
Nu e disponibil
Rank: N/A (Overall)
1 * 10-6 %
Rank: 16 (Overall)
taliu element
2.4.2 Abundenței În Soare
Fier element
~-9999 %
Rank: N/A (Overall)
~0.0000003 %
Rank: 24 (Overall)
beriliului element
ADD ⊕
2.4.3 Abundenței În Meteoriți
Fier element
Nu e disponibil
Rank: N/A (Overall)
0,00 %
Rank: 30 (Overall)
Aur element
ADD ⊕
2.4.4 Abundenței în scoarța Pământului
Aluminiu element
0,00 %
Rank: 57 (Overall)
0,00 %
Rank: 20 (Overall)
Radiu element
ADD ⊕
2.4.5 Abundenței în oceanele
Sodiu element
0,00 %
Rank: 47 (Overall)
0,00 %
Rank: 30 (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
ADD ⊕
3 utilizări
3.1 Utilizări și beneficii
  • folosește în prezent cunoscute ale protactiniu de metal sunt limitate la doar scop de cercetare.
  • aliaj de neodim-fier-bor este folosit pentru a face magneți permanenți.
  • Este folosit în microfoane, MP3 player, difuzoare, telefoane mobile etc.
3.1.1 Utilizări industriale
N / A
industria aerospațială, industria electrotehnică, industria electronică
3.1.2 Utilizări medicale
N / A
N / A
3.1.3 alte utilizări
N / A
Aliaje
3.2 Proprietățile biologice
3.2.1 Toxicitate
Toxic puternic
non Toxic
3.2.2 Prezent în corpul uman
Nu
Nu
3.2.3 in Blood
Sodiu element
0,00 Sânge / mg dm-3
Rank: 37 (Overall)
Nu e disponibil
Rank: N/A (Overall)
Plutoniu element
ADD ⊕
3.2.4 in Bone
Calciu element
0,00 ppm
Rank: 36 (Overall)
Nu e disponibil
Rank: N/A (Overall)
Plutoniu element
ADD ⊕
4 Fizic
4.1 Punct de topire
Tungsten element
1.568,00 ° C
Rank: 21 (Overall)
1.010,00 ° C
Rank: 44 (Overall)
franciu element
ADD ⊕
4.2 Punct de fierbere
Tungsten element
4.027,00 ° C
Rank: 12 (Overall)
3.127,00 ° C
Rank: 28 (Overall)
Fleroviu element
ADD ⊕
4.3 Aspect
4.3.1 Stare fizică
Solid
Solid
4.3.2 Culoare
Argint
silvery alb
4.3.3 Luciu
Metalic
Metalic
4.4 Duritate
4.4.1 Mohs Duritate
Crom element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
cesiu element
ADD ⊕
4.4.2 Duritatea Brinell
Osmiu element
Nu e disponibil
Rank: N/A (Overall)
265,00 MPa
Rank: 35 (Overall)
cesiu element
ADD ⊕
4.4.3 Duritatea Vickers
Tungsten element
Nu e disponibil
Rank: N/A (Overall)
345,00 MPa
Rank: 27 (Overall)
Paladiu element
ADD ⊕
4.5 Viteza sunetului
tehnețiu element
Nu e disponibil
Rank: N/A (Overall)
2.330,00 Domnișoară
Rank: 38 (Overall)
taliu element
ADD ⊕
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
ADD ⊕
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
Pa
Nd
5.2 izotopii
5.2.1 Izotopi cunoscute
Paladiu element
27
Rank: 12 (Overall)
30
Rank: 9 (Overall)
Tennessine element
ADD ⊕
5.3 Electronegativitate
5.3.1 Pauling Electronegativitate
Aur element
1,50
Rank: 27 (Overall)
1,14
Rank: 41 (Overall)
franciu element
ADD ⊕
5.3.2 Sanderson Electronegativitate
Cobalt element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
cesiu element
ADD ⊕
5.3.3 Allred Rochow Electronegativitate
Galiu element
1,14
Rank: 28 (Overall)
1,07
Rank: 32 (Overall)
cesiu element
ADD ⊕
5.3.4 Mulliken-Jaffe Electronegativitate
Poloniu element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
cesiu element
ADD ⊕
5.3.5 Allen Electronegativitate
berkelium eleme..
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
cesiu element
5.4 Electropositivity
5.4.1 Pauling Electropositivity
franciu element
2,50
Rank: 27 (Overall)
2,86
Rank: 13 (Overall)
Aur element
ADD ⊕
5.5 Energiile ionizarea
5.5.1 Primul nivel de energie
Crom element
568,00 kJ / mol
Rank: 68 (Overall)
533,10 kJ / mol
Rank: 77 (Overall)
cesiu element
5.5.2 Nivelul 2 Energie
Crom element
1.128,00 kJ / mol
Rank: 72 (Overall)
1.040,00 kJ / mol
Rank: 79 (Overall)
Ruteniu element
ADD ⊕
5.5.3 3rd Level Energy
Crom element
1.814,00 kJ / mol
Rank: 81 (Overall)
2.130,00 kJ / mol
Rank: 69 (Overall)
Osmiu element
ADD ⊕
5.5.4 4a Nivel de energie
Crom element
2.991,00 kJ / mol
Rank: 66 (Overall)
3.900,00 kJ / mol
Rank: 42 (Overall)
toriu element
ADD ⊕
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
ADD ⊕
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
ADD ⊕
1.1.1 Nivelul de energie al 7-lea
Crom element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
bohrium element
ADD ⊕
1.2.1 A 8-Level Energy
Crom element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
hassiu element
ADD ⊕
1.3.1 Al 9-lea nivel de energie
Crom element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
itriu element
ADD ⊕
1.5.1 A 10 Nivel de energie
Crom element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Stronţiu element
1.6.2 11 Nivelul de energie
Magneziu element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
itriu element
1.6.4 12 Nivelul de energie
Magneziu element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
1.6.6 13 Nivel de energie
Titan element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
1.7.1 14 Nivel de energie
vanadiu element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
1.7.2 15 Nivel de energie
Crom element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Mangan element
1.7.3 16 Nivelul de energie
Mangan element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Fier element
1.7.4 17 Nivelul de energie
Fier element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Cobalt element
1.7.5 18 Nivelul de energie
Cobalt element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Nichel element
1.7.6 19 Nivel de energie
Nichel element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Cupru element
1.7.7 20 Nivelul de energie
Zinc element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
1.7.8 21 Nivelul de energie
Zinc element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
ADD ⊕
1.7.9 22 Nivelul de energie
Cupru element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
ADD ⊕
1.7.10 23 Nivelul de energie
Cupru element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
1.7.11 24 Nivelul de energie
Fier element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
ADD ⊕
1.7.12 25 Nivelul de energie
molibdenul elem..
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
1.7.13 26 Nivelul de energie
molibdenul elem..
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
1.7.14 27 Nivelul de energie
molibdenul elem..
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
1.7.15 28 Nivelul de energie
molibdenul elem..
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
1.7.16 29 Nivelul de energie
molibdenul elem..
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
1.7.17 30 Nivelul de energie
molibdenul elem..
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
1.8 echivalent electrochimică
franciu element
1,72 g / amp-hr
Rank: 43 (Overall)
1,79 g / amp-hr
Rank: 37 (Overall)
beriliului element
ADD ⊕
1.9 Funcția de electroni de lucru
Platină element
Nu e disponibil
Rank: N/A (Overall)
3,20 eV
Rank: 34 (Overall)
cesiu element
ADD ⊕
1.10 Celelalte proprietăți chimice
ionizarea, Izotopii radioactivi, Radioactivitate
Stabilitate chimică, Coroziune, inflamabile, ionizarea
2 Atomic
2.1 Numar atomic
Tennessine elem..
91
Rank: 27 (Overall)
60
Rank: 56 (Overall)
litiu element
ADD ⊕
2.2 Configuratie electronica
[Rn] 5f2 6d1 7s2
[Xe] 4f4 6s2
2.3 Structura de cristal
Tetragonal (Tetr)
Dublu hexagonala Închide Prânz la pachet (DHCP)
2.3.1 rețelei de cristal
2.4 Atom
2.4.1 Numărul de Protonii
Tennessine elem..
91
Rank: 27 (Overall)
60
Rank: 55 (Overall)
litiu element
ADD ⊕
2.4.2 Numărul de Neutronii
Fleroviu element
122
Rank: 21 (Overall)
84
Rank: 40 (Overall)
litiu element
ADD ⊕
2.4.3 Numărul de Electronii
Tennessine elem..
91
Rank: 27 (Overall)
60
Rank: 55 (Overall)
litiu element
ADD ⊕
2.5 Raza unui Atom
2.5.1 Raza atomică
cesiu element
163,00 p.m
Rank: 25 (Overall)
181,00 p.m
Rank: 13 (Overall)
beriliului element
ADD ⊕
2.5.2 Raza covalentă
franciu element
200,00 p.m
Rank: 11 (Overall)
201,00 p.m
Rank: 10 (Overall)
beriliului element
ADD ⊕
2.5.3 Van der Waals Raza
franciu element
243,00 p.m
Rank: 11 (Overall)
229,00 p.m
Rank: 20 (Overall)
Zinc element
ADD ⊕
2.6 Greutate atomica
Tennessine elem..
231,04 amu
Rank: 24 (Overall)
144,24 amu
Rank: 50 (Overall)
litiu element
2.7 volum atomic
cesiu element
15,00 cm3 / mol
Rank: 34 (Overall)
20,60 cm3 / mol
Rank: 18 (Overall)
Mangan element
2.8 Numere atomice adiacente
2.8.1 Elementul precedent
2.8.2 Elementul următor
2.9 Valence Electron Potential
Platină element
92,00 (-EV)
Rank: 11 (Overall)
43,40 (-EV)
Rank: 41 (Overall)
franciu element
ADD ⊕
2.10 Constant zabrele
Mangan element
392,50 p.m
Rank: 23 (Overall)
365,80 p.m
Rank: 30 (Overall)
beriliului element
2.11 zabrele Unghiuri
π/2, π/2, π/2
π/2, π/2, 2 π/3
2.12 C latice / A Ratio
cadmiu element
Nu e disponibil
Rank: N/A (Overall)
1,61
Rank: 4 (Overall)
beriliului element
3 Mecanic
3.1 Densitate
3.1.1 Densitatea la temperatura camerei
hassiu element
15,37 g / cm3
Rank: 20 (Overall)
7,01 g / cm3
Rank: 61 (Overall)
litiu element
ADD ⊕
3.1.2 Densitate Când lichid (la mp)
Osmiu element
Nu e disponibil
Rank: N/A (Overall)
6,89 g / cm3
Rank: 36 (Overall)
litiu element
ADD ⊕
3.2 Rezistență la tracțiune
Fier element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
indiu element
ADD ⊕
3.3 Viscozitate
Mercur element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Mercur element
3.4 Presiunea de vapori
3.4.1 Presiunea de vapori la 1000 K
Stronţiu element
Nu e disponibil
Rank: N/A (Overall)
0,00 (Pa)
Rank: 21 (Overall)
ceriu element
ADD ⊕
3.4.2 Presiunea de vapori la 2000 K
Crom element
Nu e disponibil
Rank: N/A (Overall)
101,00 (Pa)
Rank: 2 (Overall)
Tungsten element
ADD ⊕
3.5 Proprietățile elasticitate
3.5.1 shear Modulus
Osmiu element
Nu e disponibil
Rank: N/A (Overall)
16,30 GPa
Rank: 38 (Overall)
Potasiu element
ADD ⊕
3.5.2 Modulus în vrac
Osmiu element
Nu e disponibil
Rank: N/A (Overall)
31,80 GPa
Rank: 37 (Overall)
cesiu element
ADD ⊕
3.5.3 Modulul lui Young
Iridiu element
Nu e disponibil
Rank: N/A (Overall)
41,40 GPa
Rank: 40 (Overall)
cesiu element
ADD ⊕
3.6 poisson Raportul
Galiu element
Nu e disponibil
Rank: N/A (Overall)
0,28
Rank: 16 (Overall)
beriliului element
ADD ⊕
3.7 Alte proprietăți mecanice
Necunoscut
N / A
4 Magnetic
4.1 Caracteristici magnetice
4.1.1 Gravitație specifică
Cobalt element
15,37
Rank: 12 (Overall)
7,00
Rank: 47 (Overall)
litiu element
ADD ⊕
4.1.2 Comenzi magnetice
paramagnetic
paramagnetic
4.1.3 Permeabilitate
Fier element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Bismut element
ADD ⊕
4.1.4 Susceptibil
Fier element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Bismut element
ADD ⊕
4.2 Proprietăți electrice
4.2.1 Domeniul imobilier electrice
Conductor
N / A
4.2.2 Rezistivitatea
Mercur element
177,00 nΩ · m
Rank: 21 (Overall)
643,00 nΩ · m
Rank: 6 (Overall)
taliu element
ADD ⊕
4.2.3 Conductivitate electrică
Argint element
0,05 10 6 / cm Ω
Rank: 34 (Overall)
0,02 10 6 / cm Ω
Rank: 48 (Overall)
Plutoniu element
ADD ⊕
4.2.4 electron afinitate
Aur element
Nu e disponibil
Rank: N/A (Overall)
50,00 kJ / mol
Rank: 21 (Overall)
Mercur element
ADD ⊕
5 Termic
5.1 Căldura specifică
litiu element
0,12 J / (kg K)
Rank: 40 (Overall)
0,19 J / (kg K)
Rank: 32 (Overall)
americiu element
5.2 Molara Capacitatea de căldură
americiu element
Nu e disponibil
Rank: N/A (Overall)
27,45 J / mol · K
Rank: 17 (Overall)
beriliului element
5.3 Conductivitate termică
Argint element
47,00 W / m · K
Rank: 32 (Overall)
16,50 W / m · K
Rank: 50 (Overall)
neptuniu element
5.4 Temperatura critică
litiu element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
yterbiu element
ADD ⊕
5.5 Expansiunea termică
cesiu element
9,90 pm / (m · K)
Rank: 40 (Overall)
9,60 pm / (m · K)
Rank: 41 (Overall)
Tungsten element
ADD ⊕
5.6 entalpia
5.6.1 Entalpia de Vaporizarea
Tungsten element
Nu e disponibil
Rank: N/A (Overall)
273,00 kJ / mol
Rank: 34 (Overall)
Zinc element
5.6.2 Entalpie Fusion
Tungsten element
12,34 kJ / mol
Rank: 28 (Overall)
7,14 kJ / mol
Rank: 45 (Overall)
cesiu element
ADD ⊕
5.6.3 Entalpie de atomizare
Tungsten element
Nu e disponibil
Rank: N/A (Overall)
322,00 kJ / mol
Rank: 32 (Overall)
Mercur element
ADD ⊕
5.7 Standard Molar Entropy
protactiniu ele..
198,10 J / mol.K
Rank: 1 (Overall)
71,50 J / mol.K
Rank: 13 (Overall)
beriliului element
ADD ⊕