Simbol
Mo
Număr grup
6
Rank: 12 (Overall)
0
17
👆🏻
perioada Număr
5
Rank: 3 (Overall)
2
7
👆🏻
bloc
d block
Element de familie
metal de tranziție
Numărul CAS
7439987
Rank: 80 (Overall)
7429905
54386242
👆🏻
Nume grup spațiu
3m Im_
Număr spațiu grup
229,00
Rank: 2 (Overall)
11
276
👆🏻
Fapte interesante
- Molibdenul este din metal extrem de reactiv, prin urmare, nu a fost găsit liber în natură.
- Până la elementul Molibden din secolul al 18-lea au fost adesea confundat ca un atom de carbon sau de plumb.
surse
S-au găsit în minerale, Minerit, Minereurile de minerale
Istorie
care a descoperit
Carl Wilhelm Scheele
Descoperire
1778
Abundenţă
Abundenței În Universul
0,00 %
Rank: 20 (Overall)
0
0.11
👆🏻
Abundenței În Soare
0,00 %
Rank: 19 (Overall)
0
0.1
👆🏻
Abundenței În Meteoriți
0,00 %
Rank: 24 (Overall)
0
22
👆🏻
Abundenței în scoarța Pământului
0,00 %
Rank: 39 (Overall)
1E-37
8.1
👆🏻
Abundenței în oceanele
0,00 %
Rank: 9 (Overall)
0
1.1
👆🏻
Abundenței la om
0,00 %
Rank: 17 (Overall)
0
1.4
👆🏻
Utilizări și beneficii
- Aliajele sale sunt folosite pentru a fabrica piese de motor, burghie, lame de ferăstrău etc.
- Aditivul lubrifiant pe bază de disulfură de molibden este utilizat în mod obișnuit în industrie. De asemenea, este utilizat ca și catalizator.
Utilizări industriale
industria aerospațială, industria electrotehnică, industria electronică
Utilizări medicale
-
alte utilizări
Aliaje
Proprietățile biologice
Toxicitate
Toxic
Prezent în corpul uman
da
in Blood
0,00 Sânge / mg dm-3
Rank: 31 (Overall)
0
1970
👆🏻
in Bone
0,70 ppm
Rank: 20 (Overall)
0
170000
👆🏻
Punct de topire
2.617,00 ° C
Rank: 5 (Overall)
-38.83
3410
👆🏻
Punct de fierbere
4.612,00 ° C
Rank: 9 (Overall)
0
5660
👆🏻
Aspect
Stare fizică
Solid
Culoare
Gri
Luciu
Metalic
Duritate
Mohs Duritate
5,50
Rank: 7 (Overall)
0.2
8.5
👆🏻
Duritatea Brinell
1.370,00 MPa
Rank: 7 (Overall)
0.14
3490
👆🏻
Duritatea Vickers
1.400,00 MPa
Rank: 11 (Overall)
0
3920
👆🏻
Viteza sunetului
5.400,00 Domnișoară
Rank: 9 (Overall)
818
16200
👆🏻
Proprietăți optice
Indicele de refractie
2,00
Rank: 15 (Overall)
0.155
3.41
👆🏻
reflexiei
58,00 %
Rank: 25 (Overall)
5
97
👆🏻
forme alotropice
Nu
alfa forme alotropice
-
p forme alotropice
-
y forme alotropice
-
Formula chimica
Mo
izotopii
Izotopi cunoscute
25
Rank: 14 (Overall)
0
38
👆🏻
Electronegativitate
Pauling Electronegativitate
2,16
Rank: 6 (Overall)
0
2.6
👆🏻
Sanderson Electronegativitate
1,15
Rank: 34 (Overall)
0.22
2.56
👆🏻
Allred Rochow Electronegativitate
1,30
Rank: 25 (Overall)
0.86
1.9
👆🏻
Mulliken-Jaffe Electronegativitate
2,16
Rank: 7 (Overall)
0.62
2.48
👆🏻
Allen Electronegativitate
2,16
Rank: 3 (Overall)
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
1,84
Rank: 49 (Overall)
1.46
3.3
👆🏻
Energiile ionizarea
Primul nivel de energie
684,30 kJ / mol
Rank: 37 (Overall)
375.7
26130
👆🏻
Nivelul 2 Energie
1.560,00 kJ / mol
Rank: 38 (Overall)
392.8
28750
👆🏻
3rd Level Energy
2.618,00 kJ / mol
Rank: 44 (Overall)
392.8
34230
👆🏻
4a Nivel de energie
4.480,00 kJ / mol
Rank: 36 (Overall)
375.7
37066
👆🏻
A 5 Nivel de energie
5.257,00 kJ / mol
Rank: 69 (Overall)
392
97510
👆🏻
A 6 Nivel de energie
6.640,80 kJ / mol
Rank: 49 (Overall)
1007
105800
👆🏻
Nivelul de energie al 7-lea
12.125,00 kJ / mol
Rank: 13 (Overall)
1007
114300
👆🏻
A 8-Level Energy
13.860,00 kJ / mol
Rank: 16 (Overall)
730
125300
👆🏻
Al 9-lea nivel de energie
15.835,00 kJ / mol
Rank: 16 (Overall)
1007
134700
👆🏻
A 10 Nivel de energie
17.980,00 kJ / mol
Rank: 18 (Overall)
392
144300
👆🏻
11 Nivelul de energie
20.190,00 kJ / mol
Rank: 17 (Overall)
392
169988
👆🏻
12 Nivelul de energie
22.219,00 kJ / mol
Rank: 38 (Overall)
0
189368
👆🏻
13 Nivel de energie
26.930,00 kJ / mol
Rank: 13 (Overall)
1007
76015
👆🏻
14 Nivel de energie
29.196,00 kJ / mol
Rank: 13 (Overall)
380
86450
👆🏻
15 Nivel de energie
52.490,00 kJ / mol
Rank: 68 (Overall)
33000
100700
👆🏻
16 Nivelul de energie
55.000,00 kJ / mol
Rank: 47 (Overall)
375.7
109480
👆🏻
17 Nivelul de energie
61.400,00 kJ / mol
Rank: 9 (Overall)
375.7
122200
👆🏻
18 Nivelul de energie
67.700,00 kJ / mol
Rank: 9 (Overall)
0
134810
👆🏻
19 Nivel de energie
74.000,00 kJ / mol
Rank: 9 (Overall)
375.7
148700
👆🏻
20 Nivelul de energie
80.400,00 kJ / mol
Rank: 10 (Overall)
0
171200
👆🏻
21 Nivelul de energie
87.000,00 kJ / mol
Rank: 9 (Overall)
375.7
179100
👆🏻
22 Nivelul de energie
93.400,00 kJ / mol
Rank: 7 (Overall)
330
184900
👆🏻
23 Nivelul de energie
98.420,00 kJ / mol
Rank: 6 (Overall)
357.6
198800
👆🏻
24 Nivelul de energie
104.400,00 kJ / mol
Rank: 2 (Overall)
297.3
195200
👆🏻
25 Nivelul de energie
121.900,00 kJ / mol
Rank: 1 (Overall)
0
121900
👆🏻
26 Nivelul de energie
127.700,00 kJ / mol
Rank: 1 (Overall)
357.6
127700
👆🏻
27 Nivelul de energie
133.800,00 kJ / mol
Rank: 1 (Overall)
0
133800
👆🏻
28 Nivelul de energie
139.800,00 kJ / mol
Rank: 1 (Overall)
297.3
139800
👆🏻
29 Nivelul de energie
148.100,00 kJ / mol
Rank: 1 (Overall)
0
148100
👆🏻
30 Nivelul de energie
154.500,00 kJ / mol
Rank: 1 (Overall)
0
154500
👆🏻
echivalent electrochimică
0,89 g / amp-hr
Rank: 64 (Overall)
0.16812
8.3209
👆🏻
Funcția de electroni de lucru
4,60 eV
Rank: 17 (Overall)
2.14
6
👆🏻
Celelalte proprietăți chimice
anti coroziune, ionizarea, Izotopii radioactivi, Solubilitate
Numar atomic
42
Rank: 70 (Overall)
3
117
👆🏻
Configuratie electronica
[Kr] 4d5 5s1
Structura de cristal
Corp Centrat cilindrică (CCA)
rețelei de cristal
Atom
Numărul de Protonii
42
Rank: 69 (Overall)
3
117
👆🏻
Numărul de Neutronii
54
Rank: 53 (Overall)
4
285
👆🏻
Numărul de Electronii
42
Rank: 69 (Overall)
3
117
👆🏻
Raza unui Atom
Raza atomică
139,00 p.m
Rank: 41 (Overall)
0
348
👆🏻
Raza covalentă
154,00 p.m
Rank: 34 (Overall)
0
260
👆🏻
Van der Waals Raza
200,00 p.m
Rank: 35 (Overall)
0
348
👆🏻
Greutate atomica
95,95 amu
Rank: 64 (Overall)
6.94
294
👆🏻
volum atomic
9,40 cm3 / mol
Rank: 69 (Overall)
1.39
71.07
👆🏻
Numere atomice adiacente
Elementul precedent
Elementul următor
Valence Electron Potential
88,60 (-EV)
Rank: 13 (Overall)
0
392.42
👆🏻
Constant zabrele
314,70 p.m
Rank: 64 (Overall)
0
891.25
👆🏻
zabrele Unghiuri
π/2, π/2, π/2
C latice / A Ratio
1,03
Rank: 61 (Overall)
0.423
1.9
👆🏻
Densitate
Densitatea la temperatura camerei
10,28 g / cm3
Rank: 39 (Overall)
0.534
40.7
👆🏻
Densitate Când lichid (la mp)
9,33 g / cm3
Rank: 45 (Overall)
0.512
41
👆🏻
Rezistență la tracțiune
324,00 MPa
Rank: 15 (Overall)
0.1
11000
👆🏻
Viscozitate
0,00
Rank: 5 (Overall)
1.5E-05
0.0035
👆🏻
Presiunea de vapori
Presiunea de vapori la 1000 K
0,00 (Pa)
Rank: 22 (Overall)
0
121
👆🏻
Presiunea de vapori la 2000 K
0,00 (Pa)
Rank: 27 (Overall)
0
774
👆🏻
Proprietățile elasticitate
shear Modulus
126,00 GPa
Rank: 8 (Overall)
1.3
222
👆🏻
Modulus în vrac
230,00 GPa
Rank: 6 (Overall)
0
462
👆🏻
Modulul lui Young
329,00 GPa
Rank: 6 (Overall)
0
528
👆🏻
poisson Raportul
0,31
Rank: 13 (Overall)
0.032
0.47
👆🏻
Alte proprietăți mecanice
Ductil, Sudabil
Caracteristici magnetice
Gravitație specifică
10,22
Rank: 40 (Overall)
0.53
4500
👆🏻
Comenzi magnetice
paramagnetic
Permeabilitate
0,00 H / m
Rank: 9 (Overall)
1.25643E-06
0.0063
👆🏻
Susceptibil
0,00
Rank: 29 (Overall)
-0.000166
200000
👆🏻
Proprietăți electrice
Domeniul imobilier electrice
Semiconductor
Rezistivitatea
53,40 nΩ · m
Rank: 41 (Overall)
0.1
961
👆🏻
Conductivitate electrică
0,19 10 6 / cm Ω
Rank: 11 (Overall)
0
0.63
👆🏻
electron afinitate
71,90 kJ / mol
Rank: 16 (Overall)
0
222.8
👆🏻
Căldura specifică
0,25 J / (kg K)
Rank: 21 (Overall)
0.1
3.6
👆🏻
Molara Capacitatea de căldură
24,06 J / mol · K
Rank: 63 (Overall)
13.1
62.7
👆🏻
Conductivitate termică
138,00 W / m · K
Rank: 12 (Overall)
0
429
👆🏻
Temperatura critică
2.896,00 K
Rank: 6 (Overall)
26.3
3695
👆🏻
Expansiunea termică
4,80 pm / (m · K)
Rank: 73 (Overall)
4.5
97
👆🏻
entalpia
Entalpia de Vaporizarea
594,10 kJ / mol
Rank: 9 (Overall)
7.32
799.1
👆🏻
Entalpie Fusion
27,61 kJ / mol
Rank: 5 (Overall)
2.1
35.23
👆🏻
Entalpie de atomizare
653,00 kJ / mol
Rank: 7 (Overall)
61.5
837
👆🏻
Standard Molar Entropy
28,70 J / mol.K
Rank: 70 (Overall)
9.5
198.1
👆🏻