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Crom
Crom

Potasiu
Potasiu



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Crom
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Potasiu

Crom vs Potasiu

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1 Tabelul periodic
1.1 Simbol
Cr
K
1.2 Număr grup
Tennessine Metal
6
Rank: 12 (Overall)
1
Rank: 17 (Overall)
gadoliniu Metal
ADD ⊕
1.3 perioada Număr
Uraniu Metal
4
Rank: 4 (Overall)
4
Rank: 4 (Overall)
litiu Metal
ADD ⊕
1.4 bloc
d block
s block
1.5 Element de familie
metal de tranziție
alcaliu
1.6 Numărul CAS
roentgeniu Metal
7440473
Rank: 39 (Overall)
7440097
Rank: 70 (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
ADD ⊕
2 Fapte
2.1 Fapte interesante
Character length exceed error
  • 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.
2.2 surse
S-au găsit în minerale, Minerit, Minereu metale, Minereurile de minerale
S-au găsit în minerale, Minerit
2.3 Istorie
2.3.1 care a descoperit
Louis Nicolas Vauquelin
Humphry Davy
2.3.2 Descoperire
În perioada 1797 - 1798
în 1807
2.4 Abundenţă
2.4.1 Abundenței În Universul
Fier Metal
1.5 * 10-3 %
Rank: 7 (Overall)
3 * 10-4 %
Rank: 9 (Overall)
taliu Metal
2.4.2 Abundenței În Soare
Fier Metal
~0.002 %
Rank: 7 (Overall)
~0.0004 %
Rank: 9 (Overall)
beriliului Metal
ADD ⊕
1.2.1 Abundenței În Meteoriți
Fier Metal
0,30 %
Rank: 7 (Overall)
0,07 %
Rank: 9 (Overall)
Aur Metal
ADD ⊕
1.3.1 Abundenței în scoarța Pământului
Aluminiu Metal
0,01 %
Rank: 13 (Overall)
1,50 %
Rank: 6 (Overall)
Radiu Metal
ADD ⊕
1.6.1 Abundenței în oceanele
Sodiu Metal
0,00 %
Rank: 16 (Overall)
0,04 %
Rank: 3 (Overall)
protactiniu Metal
ADD ⊕
1.8.1 Abundenței la om
Calciu Metal
0,00 %
Rank: 16 (Overall)
0,20 %
Rank: 2 (Overall)
Radiu Metal
ADD ⊕
3 utilizări
3.1 Utilizări și beneficii
Character length exceed error
  • 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.
3.1.1 Utilizări industriale
industria de automobile, Industria chimica
industria de muniție, Industria chimica
3.1.2 Utilizări medicale
N / A
Industria farmaceutica
3.1.3 alte utilizări
Aliaje
N / A
3.2 Proprietățile biologice
3.2.1 Toxicitate
Toxic puternic
Toxic
3.2.2 Prezent în corpul uman
da
da
3.2.3 in Blood
Sodiu Metal
0,11 Sânge / mg dm-3
Rank: 12 (Overall)
1.620,00 Sânge / mg dm-3
Rank: 2 (Overall)
Plutoniu Metal
ADD ⊕
3.2.5 in Bone
Calciu Metal
0,33 ppm
Rank: 21 (Overall)
2.100,00 ppm
Rank: 3 (Overall)
Plutoniu Metal
ADD ⊕
4 Fizic
4.1 Punct de topire
Tungsten Metal
1.857,00 ° C
Rank: 14 (Overall)
63,65 ° C
Rank: 77 (Overall)
franciu Metal
ADD ⊕
4.2 Punct de fierbere
Tungsten Metal
2.672,00 ° C
Rank: 39 (Overall)
774,00 ° C
Rank: 72 (Overall)
Fleroviu Metal
ADD ⊕
4.3 Aspect
4.3.1 Stare fizică
Solid
Solid
4.3.2 Culoare
Argint
Gray argintat
4.3.3 Luciu
Metalic
N / A
4.4 Duritate
4.4.1 Mohs Duritate
Crom Metal
8,50
Rank: 1 (Overall)
0,40
Rank: 23 (Overall)
cesiu Metal
ADD ⊕
4.4.3 Duritatea Brinell
Osmiu Metal
687,00 MPa
Rank: 16 (Overall)
0,36 MPa
Rank: 54 (Overall)
cesiu Metal
ADD ⊕
5.2.4 Duritatea Vickers
Tungsten Metal
1.060,00 MPa
Rank: 10 (Overall)
Nu e disponibil
Rank: N/A (Overall)
Paladiu Metal
ADD ⊕
5.3 Viteza sunetului
tehnețiu Metal
5.940,00 Domnișoară
Rank: 5 (Overall)
2.000,00 Domnișoară
Rank: 45 (Overall)
taliu Metal
ADD ⊕
6.2 Proprietăți optice
6.2.1 Indicele de refractie
Paladiu Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Mercur Metal
ADD ⊕
6.3.1 reflexiei
Argint Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
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6.6 forme alotropice
Nu
Nu
6.6.1 alfa forme alotropice
Nu e disponibil
Nu e disponibil
6.6.2 p forme alotropice
Nu e disponibil
Nu e disponibil
6.6.3 y forme alotropice
Nu e disponibil
Nu e disponibil
7 Chimic
7.1 Formula chimica
Cr
K
7.2 izotopii
7.2.1 Izotopi cunoscute
Paladiu Metal
21
Rank: 18 (Overall)
20
Rank: 19 (Overall)
Tennessine Metal
ADD ⊕
7.3 Electronegativitate
7.3.1 Pauling Electronegativitate
Aur Metal
1,66
Rank: 18 (Overall)
0,82
Rank: 51 (Overall)
franciu Metal
ADD ⊕
7.4.1 Sanderson Electronegativitate
Cobalt Metal
1,66
Rank: 14 (Overall)
0,45
Rank: 31 (Overall)
cesiu Metal
ADD ⊕
7.5.2 Allred Rochow Electronegativitate
Galiu Metal
1,56
Rank: 10 (Overall)
0,91
Rank: 39 (Overall)
cesiu Metal
ADD ⊕
7.5.4 Mulliken-Jaffe Electronegativitate
Poloniu Metal
Nu e disponibil
Rank: N/A (Overall)
0,73
Rank: 23 (Overall)
cesiu Metal
ADD ⊕
8.2.2 Allen Electronegativitate
berkelium Metal
1,65
Rank: 19 (Overall)
0,73
Rank: 45 (Overall)
cesiu Metal
8.4 Electropositivity
8.4.1 Pauling Electropositivity
franciu Metal
2,34
Rank: 36 (Overall)
3,18
Rank: 3 (Overall)
Aur Metal
ADD ⊕
8.5 Energiile ionizarea
8.5.1 Primul nivel de energie
Crom Metal
26.130,00 kJ / mol
Rank: 1 (Overall)
418,80 kJ / mol
Rank: 87 (Overall)
cesiu Metal
8.5.3 Nivelul 2 Energie
Crom Metal
28.750,00 kJ / mol
Rank: 1 (Overall)
3.052,00 kJ / mol
Rank: 5 (Overall)
Ruteniu Metal
ADD ⊕
8.5.5 3rd Level Energy
Crom Metal
34.230,00 kJ / mol
Rank: 1 (Overall)
4.420,00 kJ / mol
Rank: 8 (Overall)
Osmiu Metal
ADD ⊕
8.6.2 4a Nivel de energie
Crom Metal
37.066,00 kJ / mol
Rank: 1 (Overall)
5.877,00 kJ / mol
Rank: 9 (Overall)
toriu Metal
ADD ⊕
8.7.2 A 5 Nivel de energie
Crom Metal
97.510,00 kJ / mol
Rank: 1 (Overall)
7.975,00 kJ / mol
Rank: 8 (Overall)
Dubnium Metal
ADD ⊕
8.7.5 A 6 Nivel de energie
Crom Metal
105.800,00 kJ / mol
Rank: 1 (Overall)
9.590,00 kJ / mol
Rank: 13 (Overall)
seaborgiu Metal
ADD ⊕
8.7.7 Nivelul de energie al 7-lea
Crom Metal
114.300,00 kJ / mol
Rank: 1 (Overall)
11.343,00 kJ / mol
Rank: 17 (Overall)
bohrium Metal
ADD ⊕
8.7.9 A 8-Level Energy
Crom Metal
125.300,00 kJ / mol
Rank: 1 (Overall)
14.944,00 kJ / mol
Rank: 13 (Overall)
hassiu Metal
ADD ⊕
8.7.11 Al 9-lea nivel de energie
Crom Metal
134.700,00 kJ / mol
Rank: 1 (Overall)
16.963,70 kJ / mol
Rank: 15 (Overall)
itriu Metal
ADD ⊕
8.7.14 A 10 Nivel de energie
Crom Metal
144.300,00 kJ / mol
Rank: 1 (Overall)
48.610,00 kJ / mol
Rank: 3 (Overall)
Stronţiu Metal
8.7.16 11 Nivelul de energie
Magneziu Metal
26.130,00 kJ / mol
Rank: 12 (Overall)
54.490,00 kJ / mol
Rank: 4 (Overall)
itriu Metal
ADD ⊕
8.7.19 12 Nivelul de energie
Magneziu Metal
28.750,00 kJ / mol
Rank: 13 (Overall)
60.730,00 kJ / mol
Rank: 4 (Overall)
molibdenul Metal
ADD ⊕
8.7.21 13 Nivel de energie
Titan Metal
34.230,00 kJ / mol
Rank: 10 (Overall)
68.950,00 kJ / mol
Rank: 4 (Overall)
molibdenul Metal
ADD ⊕
8.7.23 14 Nivel de energie
vanadiu Metal
37.066,00 kJ / mol
Rank: 12 (Overall)
75.900,00 kJ / mol
Rank: 5 (Overall)
molibdenul Metal
ADD ⊕
8.7.25 15 Nivel de energie
Crom Metal
97.510,00 kJ / mol
Rank: 1 (Overall)
83.080,00 kJ / mol
Rank: 6 (Overall)
Mangan Metal
ADD ⊕
8.7.27 16 Nivelul de energie
Mangan Metal
105.800,00 kJ / mol
Rank: 2 (Overall)
93.400,00 kJ / mol
Rank: 7 (Overall)
Fier Metal
ADD ⊕
8.7.30 17 Nivelul de energie
Fier Metal
114.300,00 kJ / mol
Rank: 3 (Overall)
99.710,00 kJ / mol
Rank: 8 (Overall)
Cobalt Metal
ADD ⊕
8.7.32 18 Nivelul de energie
Cobalt Metal
125.300,00 kJ / mol
Rank: 4 (Overall)
Nu e disponibil
Rank: 100 (Overall)
Nichel Metal
ADD ⊕
8.7.34 19 Nivel de energie
Nichel Metal
134.700,00 kJ / mol
Rank: 5 (Overall)
Nu e disponibil
Rank: 100 (Overall)
Cupru Metal
ADD ⊕
8.7.36 20 Nivelul de energie
Zinc Metal
144.300,00 kJ / mol
Rank: 7 (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
ADD ⊕
8.7.38 21 Nivelul de energie
Zinc Metal
157.700,00 kJ / mol
Rank: 7 (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
ADD ⊕
8.7.41 22 Nivelul de energie
Cupru Metal
166.090,00 kJ / mol
Rank: 6 (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
ADD ⊕
8.7.43 23 Nivelul de energie
Cupru Metal
Nu e disponibil
Rank: 100 (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
ADD ⊕
8.7.46 24 Nivelul de energie
Fier Metal
Nu e disponibil
Rank: 100 (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
ADD ⊕
8.7.49 25 Nivelul de energie
molibdenul Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
8.7.52 26 Nivelul de energie
molibdenul Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
8.8.1 27 Nivelul de energie
molibdenul Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
8.8.2 28 Nivelul de energie
molibdenul Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
8.9.1 29 Nivelul de energie
molibdenul Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
8.9.2 30 Nivelul de energie
molibdenul Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
molibdenul Metal
9.2 echivalent electrochimică
franciu Metal
0,32 g / amp-hr
Rank: 73 (Overall)
1,46 g / amp-hr
Rank: 47 (Overall)
beriliului Metal
ADD ⊕
9.6 Funcția de electroni de lucru
Platină Metal
4,50 eV
Rank: 14 (Overall)
2,30 eV
Rank: 44 (Overall)
cesiu Metal
ADD ⊕
9.7 Celelalte proprietăți chimice
anti coroziune, Stabilitate chimică, ionizarea, Izotopii radioactivi, Solubilitate
Stabilitate chimică, inflamabilitatea, ionizarea, Solubilitate
10 Atomic
10.1 Numar atomic
Tennessine Metal
24
Rank: 82 (Overall)
19
Rank: 87 (Overall)
litiu Metal
ADD ⊕
10.3 Configuratie electronica
[Ar] 3d5 4s1
[Ar] 4s1
10.4 Structura de cristal
Corp Centrat cilindrică (CCA)
Corp Centrat cilindrică (CCA)
10.4.1 rețelei de cristal
10.5 Atom
10.5.1 Numărul de Protonii
Tennessine Metal
24
Rank: 81 (Overall)
19
Rank: 86 (Overall)
litiu Metal
ADD ⊕
10.5.4 Numărul de Neutronii
Fleroviu Metal
28
Rank: 61 (Overall)
20
Rank: 64 (Overall)
litiu Metal
ADD ⊕
10.6.1 Numărul de Electronii
Tennessine Metal
24
Rank: 81 (Overall)
19
Rank: 86 (Overall)
litiu Metal
ADD ⊕
10.8 Raza unui Atom
10.8.1 Raza atomică
cesiu Metal
128,00 p.m
Rank: 46 (Overall)
227,00 p.m
Rank: 3 (Overall)
beriliului Metal
ADD ⊕
10.11.1 Raza covalentă
franciu Metal
139,00 p.m
Rank: 45 (Overall)
203,00 p.m
Rank: 9 (Overall)
beriliului Metal
ADD ⊕
10.13.1 Van der Waals Raza
franciu Metal
200,00 p.m
Rank: 28 (Overall)
275,00 p.m
Rank: 5 (Overall)
Zinc Metal
ADD ⊕
11.2 Greutate atomica
Tennessine Metal
52,00 amu
Rank: 76 (Overall)
39,10 amu
Rank: 81 (Overall)
litiu Metal
11.6 volum atomic
cesiu Metal
7,23 cm3 / mol
Rank: 60 (Overall)
45,46 cm3 / mol
Rank: 3 (Overall)
Mangan Metal
ADD ⊕
11.7 Numere atomice adiacente
11.7.1 Elementul precedent
11.7.2 Elementul următor
11.8 Valence Electron Potential
Platină Metal
170,00 (-EV)
Rank: 4 (Overall)
10,40 (-EV)
Rank: 63 (Overall)
franciu Metal
ADD ⊕
11.10 Constant zabrele
Mangan Metal
291,00 p.m
Rank: 62 (Overall)
532,80 p.m
Rank: 12 (Overall)
beriliului Metal
11.11 zabrele Unghiuri
π/2, π/2, π/2
π/2, π/2, π/2
11.12 C latice / A Ratio
cadmiu Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
beriliului Metal
12 Mecanic
12.1 Densitate
12.1.1 Densitatea la temperatura camerei
hassiu Metal
7,19 g / cm3
Rank: 58 (Overall)
0,86 g / cm3
Rank: 83 (Overall)
litiu Metal
ADD ⊕
13.1.2 Densitate Când lichid (la mp)
Osmiu Metal
6,30 g / cm3
Rank: 40 (Overall)
0,83 g / cm3
Rank: 59 (Overall)
litiu Metal
ADD ⊕
13.2 Rezistență la tracțiune
Fier Metal
689,00 MPa
Rank: 7 (Overall)
Nu e disponibil
Rank: N/A (Overall)
indiu Metal
ADD ⊕
13.4 Viscozitate
Mercur Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Mercur Metal
13.5 Presiunea de vapori
13.5.1 Presiunea de vapori la 1000 K
Stronţiu Metal
0,00 (Pa)
Rank: 24 (Overall)
Nu e disponibil
Rank: N/A (Overall)
ceriu Metal
ADD ⊕
13.5.3 Presiunea de vapori la 2000 K
Crom Metal
774,00 (Pa)
Rank: 1 (Overall)
Nu e disponibil
Rank: N/A (Overall)
Tungsten Metal
ADD ⊕
14.2 Proprietățile elasticitate
14.2.1 shear Modulus
Osmiu Metal
115,00 GPa
Rank: 9 (Overall)
1,30 GPa
Rank: 52 (Overall)
Potasiu Metal
ADD ⊕
14.3.1 Modulus în vrac
Osmiu Metal
160,00 GPa
Rank: 11 (Overall)
3,10 GPa
Rank: 48 (Overall)
cesiu Metal
ADD ⊕
14.4.1 Modulul lui Young
Iridiu Metal
279,00 GPa
Rank: 8 (Overall)
3,53 GPa
Rank: 56 (Overall)
cesiu Metal
ADD ⊕
14.7 poisson Raportul
Galiu Metal
0,21
Rank: 32 (Overall)
Nu e disponibil
Rank: N/A (Overall)
beriliului Metal
ADD ⊕
14.9 Alte proprietăți mecanice
N / A
N / A
15 Magnetic
15.1 Caracteristici magnetice
15.1.1 Gravitație specifică
Cobalt Metal
7,19
Rank: 46 (Overall)
0,86
Rank: 69 (Overall)
litiu Metal
ADD ⊕
15.1.3 Comenzi magnetice
antiferomagnetică
paramagnetic
15.1.4 Permeabilitate
Fier Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Bismut Metal
ADD ⊕
15.1.6 Susceptibil
Fier Metal
Nu e disponibil
Rank: N/A (Overall)
Nu e disponibil
Rank: N/A (Overall)
Bismut Metal
ADD ⊕
15.3 Proprietăți electrice
15.3.1 Domeniul imobilier electrice
N / A
Conductor
15.3.2 Rezistivitatea
Mercur Metal
125,00 nΩ · m
Rank: 27 (Overall)
72,00 nΩ · m
Rank: 37 (Overall)
taliu Metal
ADD ⊕
15.3.3 Conductivitate electrică
Argint Metal
0,08 10 6 / cm Ω
Rank: 25 (Overall)
0,14 10 6 / cm Ω
Rank: 14 (Overall)
Plutoniu Metal
ADD ⊕
15.3.4 electron afinitate
Aur Metal
64,30 kJ / mol
Rank: 15 (Overall)
48,40 kJ / mol
Rank: 22 (Overall)
Mercur Metal
ADD ⊕
16 Termic
16.1 Căldura specifică
litiu Metal
0,45 J / (kg K)
Rank: 12 (Overall)
0,75 J / (kg K)
Rank: 6 (Overall)
americiu Metal
ADD ⊕
16.2 Molara Capacitatea de căldură
americiu Metal
23,35 J / mol · K
Rank: 55 (Overall)
29,60 J / mol · K
Rank: 6 (Overall)
beriliului Metal
ADD ⊕
16.3 Conductivitate termică
Argint Metal
93,90 W / m · K
Rank: 17 (Overall)
102,50 W / m · K
Rank: 15 (Overall)
neptuniu Metal
ADD ⊕
16.4 Temperatura critică
litiu Metal
Nu e disponibil
Rank: N/A (Overall)
2.223,00 K
Rank: 3 (Overall)
yterbiu Metal
ADD ⊕
16.5 Expansiunea termică
cesiu Metal
4,90 pm / (m · K)
Rank: 57 (Overall)
83,30 pm / (m · K)
Rank: 3 (Overall)
Tungsten Metal
ADD ⊕
16.6 entalpia
16.6.1 Entalpia de Vaporizarea
Tungsten Metal
348,80 kJ / mol
Rank: 24 (Overall)
77,50 kJ / mol
Rank: 55 (Overall)
Zinc Metal
ADD ⊕
16.6.2 Entalpie Fusion
Tungsten Metal
15,31 kJ / mol
Rank: 20 (Overall)
2,32 kJ / mol
Rank: 60 (Overall)
cesiu Metal
ADD ⊕
16.6.3 Entalpie de atomizare
Tungsten Metal
397,50 kJ / mol
Rank: 21 (Overall)
89,50 kJ / mol
Rank: 58 (Overall)
Mercur Metal
ADD ⊕
16.7 Standard Molar Entropy
protactiniu Met..
23,80 J / mol.K
Rank: 57 (Overall)
64,70 J / mol.K
Rank: 18 (Overall)
beriliului Metal
ADD ⊕