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Comparați praseodim și Calciu

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1 Tabelul periodic
1.1 Simbol
Pr
Ca
1.2 Număr grup
Tennessine elem..
Nu e disponibil
Rank: N/A (Overall)
2
Rank: 16 (Overall)
gadoliniu element
ADD ⊕
1.3 perioada Număr
Uraniu element
6
Rank: 2 (Overall)
4
Rank: 4 (Overall)
litiu element
ADD ⊕
1.4 bloc
f block
s block
1.5 Element de familie
lantanidelor
Pământ alcalină
1.6 Numărul CAS
roentgeniu elem..
7440100
Rank: 69 (Overall)
7440702
Rank: 21 (Overall)
Aluminiu element
1.7 Nume grup spațiu
P63 / mmc
Fm_ 3m
1.8 Număr spațiu grup
Sodiu element
194,00
Rank: 5 (Overall)
225,00
Rank: 2 (Overall)
Plutoniu element
ADD ⊕
2 Fapte
2.1 Fapte interesante
  • Praseodim de metal este produs sintetic din metal.
  • Praseodim este utilizat drept combustibil posibil pentru generatoarele radioactive.
  • Calciu se afla pe locul 5 in rang lista Procentul abundenței pământului.
  • Ea se găsește în starea de compus.
  • Gipsului sau sulfat de calciu este utilizat ca tencuială și ipsos.
2.2 surse
S-au găsit în minerale, Minerit, Minereurile de minerale
Scoarta terestra, S-au găsit în minerale, Minerit, Minereurile de minerale
2.3 Istorie
2.3.1 care a descoperit
Not Available
Humphry Davy
2.3.2 Descoperire
în 1885
în 1808
2.4 Abundenţă
2.4.1 Abundenței În Universul
Fier element
2 * 10-7 %
Rank: 22 (Overall)
7 * 10-3 %
Rank: 3 (Overall)
taliu element
2.4.2 Abundenței În Soare
Fier element
~0.0000001 %
Rank: 26 (Overall)
~0.007 %
Rank: 4 (Overall)
beriliului element
ADD ⊕
2.4.3 Abundenței În Meteoriți
Fier element
0,00 %
Rank: 40 (Overall)
1,10 %
Rank: 4 (Overall)
Aur element
ADD ⊕
2.4.4 Abundenței în scoarța Pământului
Aluminiu element
0,00 %
Rank: 27 (Overall)
5,00 %
Rank: 3 (Overall)
Radiu element
ADD ⊕
2.4.5 Abundenței în oceanele
Sodiu element
0,00 %
Rank: 39 (Overall)
0,00 %
Rank: 5 (Overall)
protactiniu element
2.4.6 Abundenței la om
Calciu element
Nu e disponibil
Rank: N/A (Overall)
1,40 %
Rank: 1 (Overall)
Radiu element
ADD ⊕
3 utilizări
3.1 Utilizări și beneficii
Character length exceed error
Character length exceed error
3.1.1 Utilizări industriale
Industria chimica
Industria chimica
3.1.2 Utilizări medicale
N / A
Stomatologie, Industria farmaceutica
3.1.3 alte utilizări
Aliaje
Aliaje
3.2 Proprietățile biologice
3.2.1 Toxicitate
moderat Toxic
non Toxic
3.2.2 Prezent în corpul uman
Nu
da
3.2.3 in Blood
Sodiu element
Nu e disponibil
Rank: N/A (Overall)
60,50 Sânge / mg dm-3
Rank: 4 (Overall)
Plutoniu element
ADD ⊕
3.2.4 in Bone
Calciu element
Nu e disponibil
Rank: N/A (Overall)
170.000,00 ppm
Rank: 1 (Overall)
Plutoniu element
ADD ⊕
4 Fizic
4.1 Punct de topire
Tungsten element
935,00 ° C
Rank: 48 (Overall)
839,00 ° C
Rank: 52 (Overall)
franciu element
ADD ⊕
4.2 Punct de fierbere
Tungsten element
3.130,00 ° C
Rank: 27 (Overall)
1.484,00 ° C
Rank: 58 (Overall)
Fleroviu element
ADD ⊕
4.3 Aspect
4.3.1 Stare fizică
Solid
Solid
4.3.2 Culoare
grayish alb
Gri
4.3.3 Luciu
Metalic
N / A
4.4 Duritate
4.4.1 Mohs Duritate
Crom element
Nu e disponibil
Rank: N/A (Overall)
1,75
Rank: 17 (Overall)
cesiu element
ADD ⊕
4.4.2 Duritatea Brinell
Osmiu element
481,00 MPa
Rank: 24 (Overall)
170,00 MPa
Rank: 44 (Overall)
cesiu element
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4.4.3 Duritatea Vickers
Tungsten element
400,00 MPa
Rank: 25 (Overall)
Nu e disponibil
Rank: N/A (Overall)
Paladiu element
ADD ⊕
4.5 Viteza sunetului
tehnețiu element
2.280,00 Domnișoară
Rank: 40 (Overall)
3.810,00 Domnișoară
Rank: 19 (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
Pr
Ca
5.2 izotopii
5.2.1 Izotopi cunoscute
Paladiu element
31
Rank: 8 (Overall)
19
Rank: 20 (Overall)
Tennessine element
ADD ⊕
5.3 Electronegativitate
5.3.1 Pauling Electronegativitate
Aur element
1,13
Rank: 42 (Overall)
1,00
Rank: 45 (Overall)
franciu element
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5.3.2 Sanderson Electronegativitate
Cobalt element
Nu e disponibil
Rank: N/A (Overall)
0,95
Rank: 24 (Overall)
cesiu element
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5.3.3 Allred Rochow Electronegativitate
Galiu element
1,07
Rank: 32 (Overall)
1,04
Rank: 34 (Overall)
cesiu element
ADD ⊕
5.3.4 Mulliken-Jaffe Electronegativitate
Poloniu element
Nu e disponibil
Rank: N/A (Overall)
1,08
Rank: 17 (Overall)
cesiu element
ADD ⊕
5.3.5 Allen Electronegativitate
berkelium eleme..
Nu e disponibil
Rank: N/A (Overall)
1,03
Rank: 39 (Overall)
cesiu element
5.4 Electropositivity
5.4.1 Pauling Electropositivity
franciu element
2,87
Rank: 12 (Overall)
3,00
Rank: 9 (Overall)
Aur element
ADD ⊕
5.5 Energiile ionizarea
5.5.1 Primul nivel de energie
Crom element
527,00 kJ / mol
Rank: 78 (Overall)
589,80 kJ / mol
Rank: 57 (Overall)
cesiu element
5.5.2 Nivelul 2 Energie
Crom element
1.020,00 kJ / mol
Rank: 80 (Overall)
1.145,40 kJ / mol
Rank: 69 (Overall)
Ruteniu element
ADD ⊕
5.5.3 3rd Level Energy
Crom element
2.086,00 kJ / mol
Rank: 70 (Overall)
4.912,40 kJ / mol
Rank: 7 (Overall)
Osmiu element
ADD ⊕
5.5.4 4a Nivel de energie
Crom element
3.761,00 kJ / mol
Rank: 47 (Overall)
6.491,00 kJ / mol
Rank: 7 (Overall)
toriu element
ADD ⊕
5.5.5 A 5 Nivel de energie
Crom element
5.551,00 kJ / mol
Rank: 29 (Overall)
8.153,00 kJ / mol
Rank: 7 (Overall)
Dubnium element
ADD ⊕
5.5.6 A 6 Nivel de energie
Crom element
Nu e disponibil
Rank: N/A (Overall)
10.496,00 kJ / mol
Rank: 8 (Overall)
seaborgiu element
ADD ⊕
5.5.7 Nivelul de energie al 7-lea
Crom element
Nu e disponibil
Rank: N/A (Overall)
12.270,00 kJ / mol
Rank: 12 (Overall)
bohrium element
ADD ⊕
5.5.8 A 8-Level Energy
Crom element
Nu e disponibil
Rank: N/A (Overall)
14.206,00 kJ / mol
Rank: 15 (Overall)
hassiu element
ADD ⊕
5.5.9 Al 9-lea nivel de energie
Crom element
Nu e disponibil
Rank: N/A (Overall)
18.191,00 kJ / mol
Rank: 12 (Overall)
itriu element
ADD ⊕
5.5.10 A 10 Nivel de energie
Crom element
Nu e disponibil
Rank: N/A (Overall)
20.385,00 kJ / mol
Rank: 16 (Overall)
Stronţiu element
5.5.11 11 Nivelul de energie
Magneziu element
Nu e disponibil
Rank: N/A (Overall)
57.110,00 kJ / mol
Rank: 3 (Overall)
itriu element
5.5.12 12 Nivelul de energie
Magneziu element
Nu e disponibil
Rank: N/A (Overall)
63.410,00 kJ / mol
Rank: 3 (Overall)
molibdenul element
5.5.13 13 Nivel de energie
Titan element
Nu e disponibil
Rank: N/A (Overall)
70.110,00 kJ / mol
Rank: 3 (Overall)
molibdenul element
5.5.14 14 Nivel de energie
vanadiu element
Nu e disponibil
Rank: N/A (Overall)
78.890,00 kJ / mol
Rank: 4 (Overall)
molibdenul element
5.5.15 15 Nivel de energie
Crom element
Nu e disponibil
Rank: N/A (Overall)
86.310,00 kJ / mol
Rank: 5 (Overall)
Mangan element
5.5.16 16 Nivelul de energie
Mangan element
Nu e disponibil
Rank: N/A (Overall)
94.000,00 kJ / mol
Rank: 6 (Overall)
Fier element
5.5.17 17 Nivelul de energie
Fier element
Nu e disponibil
Rank: N/A (Overall)
104.900,00 kJ / mol
Rank: 7 (Overall)
Cobalt element
5.5.18 18 Nivelul de energie
Cobalt element
Nu e disponibil
Rank: N/A (Overall)
111.711,00 kJ / mol
Rank: 8 (Overall)
Nichel element
5.5.19 19 Nivel de energie
Nichel element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: 100 (Overall)
Cupru element
5.5.20 20 Nivelul de energie
Zinc element
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: 100 (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
ADD ⊕
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
ADD ⊕
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
ADD ⊕
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
1.1.2 28 Nivelul de energie
molibdenul elem..
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
1.1.3 29 Nivelul de energie
molibdenul elem..
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
1.1.5 30 Nivelul de energie
molibdenul elem..
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul element
1.2 echivalent electrochimică
franciu element
1,75 g / amp-hr
Rank: 40 (Overall)
0,75 g / amp-hr
Rank: 64 (Overall)
beriliului element
ADD ⊕
1.4 Funcția de electroni de lucru
Platină element
2,70 eV
Rank: 41 (Overall)
2,87 eV
Rank: 38 (Overall)
cesiu element
ADD ⊕
1.7 Celelalte proprietăți chimice
anti coroziune, ionizarea, Izotopii radioactivi
Stabilitate chimică, inflamabilitatea, ionizarea, Solubilitate
2 Atomic
2.1 Numar atomic
Tennessine elem..
59
Rank: 57 (Overall)
20
Rank: 86 (Overall)
litiu element
ADD ⊕
2.2 Configuratie electronica
[Xe] 4f3 6s2
[Ar] 4s2
2.3 Structura de cristal
Hexagonala Închide Ambalat (HCP)
Centrat cilindrică se confruntă cu (FCC)
2.3.1 rețelei de cristal
2.4 Atom
2.4.1 Numărul de Protonii
Tennessine elem..
59
Rank: 56 (Overall)
20
Rank: 85 (Overall)
litiu element
ADD ⊕
2.5.2 Numărul de Neutronii
Fleroviu element
82
Rank: 41 (Overall)
20
Rank: 64 (Overall)
litiu element
ADD ⊕
2.5.5 Numărul de Electronii
Tennessine elem..
59
Rank: 56 (Overall)
20
Rank: 85 (Overall)
litiu element
ADD ⊕
2.8 Raza unui Atom
2.8.1 Raza atomică
cesiu element
182,00 p.m
Rank: 11 (Overall)
197,00 p.m
Rank: 6 (Overall)
beriliului element
ADD ⊕
2.8.2 Raza covalentă
franciu element
203,00 p.m
Rank: 9 (Overall)
176,00 p.m
Rank: 22 (Overall)
beriliului element
ADD ⊕
2.8.3 Van der Waals Raza
franciu element
239,00 p.m
Rank: 14 (Overall)
231,00 p.m
Rank: 19 (Overall)
Zinc element
ADD ⊕
2.9 Greutate atomica
Tennessine elem..
140,91 amu
Rank: 51 (Overall)
40,08 amu
Rank: 80 (Overall)
litiu element
2.10 volum atomic
cesiu element
20,80 cm3 / mol
Rank: 15 (Overall)
29,90 cm3 / mol
Rank: 7 (Overall)
Mangan element
2.11 Numere atomice adiacente
2.11.1 Elementul precedent
2.11.2 Elementul următor
2.12 Valence Electron Potential
Platină element
42,64 (-EV)
Rank: 42 (Overall)
29,00 (-EV)
Rank: 53 (Overall)
franciu element
ADD ⊕
2.13 Constant zabrele
Mangan element
367,25 p.m
Rank: 29 (Overall)
558,84 p.m
Rank: 9 (Overall)
beriliului element
2.14 zabrele Unghiuri
π/2, π/2, 2 π/3
π/2, π/2, π/2
2.15 C latice / A Ratio
cadmiu element
1,61
Rank: 4 (Overall)
Nu e disponibil
Rank: N/A (Overall)
beriliului element
3 Mecanic
3.1 Densitate
3.1.1 Densitatea la temperatura camerei
hassiu element
6,77 g / cm3
Rank: 63 (Overall)
1,55 g / cm3
Rank: 80 (Overall)
litiu element
ADD ⊕
3.1.2 Densitate Când lichid (la mp)
Osmiu element
6,50 g / cm3
Rank: 39 (Overall)
1,38 g / cm3
Rank: 57 (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
0,00 (Pa)
Rank: 25 (Overall)
25,50 (Pa)
Rank: 3 (Overall)
ceriu element
ADD ⊕
3.4.2 Presiunea de vapori la 2000 K
Crom element
13,20 (Pa)
Rank: 7 (Overall)
Nu e disponibil
Rank: N/A (Overall)
Tungsten element
ADD ⊕
3.5 Proprietățile elasticitate
3.5.1 shear Modulus
Osmiu element
14,80 GPa
Rank: 39 (Overall)
7,40 GPa
Rank: 45 (Overall)
Potasiu element
ADD ⊕
3.5.2 Modulus în vrac
Osmiu element
28,80 GPa
Rank: 40 (Overall)
17,00 GPa
Rank: 43 (Overall)
cesiu element
ADD ⊕
3.5.3 Modulul lui Young
Iridiu element
37,30 GPa
Rank: 41 (Overall)
20,00 GPa
Rank: 46 (Overall)
cesiu element
ADD ⊕
3.6 poisson Raportul
Galiu element
0,28
Rank: 16 (Overall)
0,31
Rank: 13 (Overall)
beriliului element
ADD ⊕
3.7 Alte proprietăți mecanice
Ductil, Maleabil
N / A
4 Magnetic
4.1 Caracteristici magnetice
4.1.1 Gravitație specifică
Cobalt element
6,77
Rank: 50 (Overall)
4,58
Rank: 57 (Overall)
litiu element
ADD ⊕
4.1.2 Comenzi magnetice
paramagnetic
Diamagnetic
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
Conductor
4.2.2 Rezistivitatea
Mercur element
0,70 nΩ · m
Rank: 65 (Overall)
33,60 nΩ · m
Rank: 48 (Overall)
taliu element
ADD ⊕
4.2.3 Conductivitate electrică
Argint element
0,01 10 6 / cm Ω
Rank: 50 (Overall)
0,30 10 6 / cm Ω
Rank: 6 (Overall)
Plutoniu element
ADD ⊕
4.2.4 electron afinitate
Aur element
50,00 kJ / mol
Rank: 21 (Overall)
2,37 kJ / mol
Rank: 39 (Overall)
Mercur element
ADD ⊕
5 Termic
5.1 Căldura specifică
litiu element
0,19 J / (kg K)
Rank: 32 (Overall)
0,63 J / (kg K)
Rank: 7 (Overall)
americiu element
5.2 Molara Capacitatea de căldură
americiu element
27,20 J / mol · K
Rank: 18 (Overall)
25,93 J / mol · K
Rank: 34 (Overall)
beriliului element
5.3 Conductivitate termică
Argint element
12,50 W / m · K
Rank: 59 (Overall)
201,00 W / m · K
Rank: 5 (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
6,70 pm / (m · K)
Rank: 50 (Overall)
22,30 pm / (m · K)
Rank: 19 (Overall)
Tungsten element
ADD ⊕
5.6 entalpia
5.6.1 Entalpia de Vaporizarea
Tungsten element
296,80 kJ / mol
Rank: 29 (Overall)
150,00 kJ / mol
Rank: 47 (Overall)
Zinc element
5.6.2 Entalpie Fusion
Tungsten element
6,89 kJ / mol
Rank: 48 (Overall)
8,54 kJ / mol
Rank: 41 (Overall)
cesiu element
ADD ⊕
5.6.3 Entalpie de atomizare
Tungsten element
368,00 kJ / mol
Rank: 24 (Overall)
184,00 kJ / mol
Rank: 46 (Overall)
Mercur element
ADD ⊕
5.7 Standard Molar Entropy
protactiniu ele..
73,20 J / mol.K
Rank: 10 (Overall)
41,60 J / mol.K
Rank: 36 (Overall)
beriliului element
ADD ⊕