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tehnețiu
tehnețiu




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tehnețiu element

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Tabelul periodic

Simbol

Tc

Număr grup

7
Rank: 11 (Overall)
0 17
👆🏻

perioada Număr

5
Rank: 3 (Overall)
2 7
👆🏻

bloc

d block

Element de familie

metal de tranziție

Numărul CAS

7440268
Rank: 54 (Overall)
7429905 54386242
👆🏻

Nume grup spațiu

P63 / mmc

Număr spațiu grup

194,00
Rank: 7 (Overall)
11 276
👆🏻

Fapte

Fapte interesante

  • Numele original al Technetiu a fost Masurium.
  • La momentul descoperirii sale a găsit în proba de Molibden.

surse

Made by cu deutronilor Molibden bombardarea

Istorie

care a descoperit

Emilio Segrè and Carlo Perriero

Descoperire

în 1937

Abundenţă

Abundenței În Universul

0,00 %
Rank: 40 (Overall)
0 0.11
👆🏻

Abundenței În Soare

0,00 %
Rank: 18 (Overall)
0 0.1
👆🏻

Abundenței În Meteoriți

-
0 22
👆🏻

Abundenței în scoarța Pământului

0,00 %
Rank: 60 (Overall)
1E-37 8.1
👆🏻

Abundenței în oceanele

-
0 1.1
👆🏻

Abundenței la om

-
0 1.4
👆🏻

utilizări

Utilizări și beneficii

  • Technețiu este un metal radioactiv și, prin urmare, este utilizat pentru studii medicale și în alte scopuri de cercetare.

Utilizări industriale

-

Utilizări medicale

-

alte utilizări

Aliaje, Cercetarea nucleară, Scopuri de cercetare

Proprietățile biologice

Toxicitate

Toxic scăzut

Prezent în corpul uman

Nu

in Blood

0,00 Sânge / mg dm-3
Rank: 40 (Overall)
0 1970
👆🏻

in Bone

0,00 ppm
Rank: 41 (Overall)
0 170000
👆🏻

Fizic

Punct de topire

2.200,00 ° C
Rank: 9 (Overall)
-38.83 3410
👆🏻

Punct de fierbere

4.877,00 ° C
Rank: 7 (Overall)
0 5660
👆🏻

Aspect

Stare fizică

Solid

Culoare

Gri lucios

Luciu

-

Duritate

Mohs Duritate

2,25
Rank: 16 (Overall)
0.2 8.5
👆🏻

Duritatea Brinell

550,00 MPa
Rank: 27 (Overall)
0.14 3490
👆🏻

Duritatea Vickers

500,00 MPa
Rank: 35 (Overall)
0 3920
👆🏻

Viteza sunetului

16.200,00 Domnișoară
Rank: 1 (Overall)
818 16200
👆🏻

Proprietăți optice

Indicele de refractie

1,90
Rank: 18 (Overall)
0.155 3.41
👆🏻

reflexiei

35,00 %
Rank: 34 (Overall)
5 97
👆🏻

forme alotropice

Nu

alfa forme alotropice

-

p forme alotropice

-

y forme alotropice

-

Chimic

Formula chimica

Tc

izotopii

Izotopi cunoscute

18
Rank: 21 (Overall)
0 38
👆🏻

Electronegativitate

Pauling Electronegativitate

1,90
Rank: 12 (Overall)
0 2.6
👆🏻

Sanderson Electronegativitate

1,90
Rank: 13 (Overall)
0.22 2.56
👆🏻

Allred Rochow Electronegativitate

1,36
Rank: 21 (Overall)
0.86 1.9
👆🏻

Mulliken-Jaffe Electronegativitate

1,90
Rank: 13 (Overall)
0.62 2.48
👆🏻

Allen Electronegativitate

1,51
Rank: 31 (Overall)
0.659 2.7
👆🏻

Electropositivity

Pauling Electropositivity

2,10
Rank: 43 (Overall)
1.46 3.3
👆🏻

Energiile ionizarea

Primul nivel de energie

702,00 kJ / mol
Rank: 36 (Overall)
375.7 26130
👆🏻

Nivelul 2 Energie

1.470,00 kJ / mol
Rank: 42 (Overall)
392.8 28750
👆🏻

3rd Level Energy

2.850,00 kJ / mol
Rank: 34 (Overall)
392.8 34230
👆🏻

4a Nivel de energie

7.020,00 kJ / mol
Rank: 14 (Overall)
375.7 37066
👆🏻

A 5 Nivel de energie

7.020,00 kJ / mol
Rank: 28 (Overall)
392 97510
👆🏻

A 6 Nivel de energie

7.020,00 kJ / mol
Rank: 46 (Overall)
1007 105800
👆🏻

Nivelul de energie al 7-lea

4.700,00 kJ / mol
Rank: 80 (Overall)
1007 114300
👆🏻

A 8-Level Energy

4.700,00 kJ / mol
Rank: 78 (Overall)
730 125300
👆🏻

Al 9-lea nivel de energie

7.020,00 kJ / mol
Rank: 35 (Overall)
1007 134700
👆🏻

A 10 Nivel de energie

7.020,00 kJ / mol
Rank: 39 (Overall)
392 144300
👆🏻

11 Nivelul de energie

7.020,00 kJ / mol
Rank: 37 (Overall)
392 169988
👆🏻

12 Nivelul de energie

7.020,00 kJ / mol
Rank: 55 (Overall)
0 189368
👆🏻

13 Nivel de energie

7.020,00 kJ / mol
Rank: 33 (Overall)
1007 76015
👆🏻

14 Nivel de energie

7.020,00 kJ / mol
Rank: 23 (Overall)
380 86450
👆🏻

15 Nivel de energie

70.200,00 kJ / mol
Rank: 29 (Overall)
33000 100700
👆🏻

16 Nivelul de energie

70.200,00 kJ / mol
Rank: 24 (Overall)
375.7 109480
👆🏻

17 Nivelul de energie

702,50 kJ / mol
Rank: 44 (Overall)
375.7 122200
👆🏻

18 Nivelul de energie

7.020,00 kJ / mol
Rank: 35 (Overall)
0 134810
👆🏻

19 Nivel de energie

702,00 kJ / mol
Rank: 41 (Overall)
375.7 148700
👆🏻

20 Nivelul de energie

702,00 kJ / mol
Rank: 35 (Overall)
0 171200
👆🏻

21 Nivelul de energie

702,00 kJ / mol
Rank: 53 (Overall)
375.7 179100
👆🏻

22 Nivelul de energie

702,00 kJ / mol
Rank: 29 (Overall)
330 184900
👆🏻

23 Nivelul de energie

702,00 kJ / mol
Rank: 53 (Overall)
357.6 198800
👆🏻

24 Nivelul de energie

702,50 kJ / mol
Rank: 28 (Overall)
297.3 195200
👆🏻

25 Nivelul de energie

702,00 kJ / mol
Rank: 30 (Overall)
0 121900
👆🏻

26 Nivelul de energie

702,00 kJ / mol
Rank: 29 (Overall)
357.6 127700
👆🏻

27 Nivelul de energie

702,00 kJ / mol
Rank: 30 (Overall)
0 133800
👆🏻

28 Nivelul de energie

702,00 kJ / mol
Rank: 35 (Overall)
297.3 139800
👆🏻

29 Nivelul de energie

702,00 kJ / mol
Rank: 36 (Overall)
0 148100
👆🏻

30 Nivelul de energie

702,00 kJ / mol
Rank: 30 (Overall)
0 154500
👆🏻

echivalent electrochimică

0,52 g / amp-hr
Rank: 72 (Overall)
0.16812 8.3209
👆🏻

Funcția de electroni de lucru

4,90 eV
Rank: 12 (Overall)
2.14 6
👆🏻

Celelalte proprietăți chimice

anti coroziune, ionizarea, Izotopii radioactivi, Radioactivitate, Solubilitate

Atomic

Numar atomic

43
Rank: 69 (Overall)
3 117
👆🏻

Configuratie electronica

[Kr] 4d 5 5s 2

Structura de cristal

Hexagonala Închide Ambalat (HCP)

rețelei de cristal

Atom

Numărul de Protonii

43
Rank: 68 (Overall)
3 117
👆🏻

Numărul de Neutronii

55
Rank: 52 (Overall)
4 285
👆🏻

Numărul de Electronii

43
Rank: 68 (Overall)
3 117
👆🏻

Raza unui Atom

Raza atomică

136,00 p.m
Rank: 43 (Overall)
0 348
👆🏻

Raza covalentă

147,00 p.m
Rank: 39 (Overall)
0 260
👆🏻

Van der Waals Raza

200,00 p.m
Rank: 35 (Overall)
0 348
👆🏻

Greutate atomica

98,00 amu
Rank: 63 (Overall)
6.94 294
👆🏻

volum atomic

8,50 cm3 / mol
Rank: 75 (Overall)
1.39 71.07
👆🏻

Numere atomice adiacente

Elementul precedent

Elementul următor

Valence Electron Potential

180,00 (-EV)
Rank: 3 (Overall)
0 392.42
👆🏻

Constant zabrele

273,50 p.m
Rank: 72 (Overall)
0 891.25
👆🏻

zabrele Unghiuri

π/2, π/2, 2 π/3

C latice / A Ratio

1,60
Rank: 21 (Overall)
0.423 1.9
👆🏻

Mecanic

Densitate

Densitatea la temperatura camerei

11,00 g / cm3
Rank: 36 (Overall)
0.534 40.7
👆🏻

Densitate Când lichid (la mp)

11,00 g / cm3
Rank: 34 (Overall)
0.512 41
👆🏻

Rezistență la tracțiune

50,00 MPa
Rank: 38 (Overall)
0.1 11000
👆🏻

Viscozitate

0,00
Rank: 25 (Overall)
1.5E-05 0.0035
👆🏻

Presiunea de vapori

Presiunea de vapori la 1000 K

0,00 (Pa)
Rank: 37 (Overall)
0 121
👆🏻

Presiunea de vapori la 2000 K

0,00 (Pa)
Rank: 41 (Overall)
0 774
👆🏻

Proprietățile elasticitate

shear Modulus

27,00 GPa
Rank: 34 (Overall)
1.3 222
👆🏻

Modulus în vrac

100,00 GPa
Rank: 16 (Overall)
0 462
👆🏻

Modulul lui Young

50,00 GPa
Rank: 39 (Overall)
0 528
👆🏻

poisson Raportul

0,38
Rank: 6 (Overall)
0.032 0.47
👆🏻

Alte proprietăți mecanice

-

Magnetic

Caracteristici magnetice

Gravitație specifică

11,50
Rank: 37 (Overall)
0.53 4500
👆🏻

Comenzi magnetice

paramagnetic

Permeabilitate

0,00 H / m
Rank: 17 (Overall)
1.25643E-06 0.0063
👆🏻

Susceptibil

0,00
Rank: 24 (Overall)
-0.000166 200000
👆🏻

Proprietăți electrice

Domeniul imobilier electrice

Conductor

Rezistivitatea

200,00 nΩ · m
Rank: 18 (Overall)
0.1 961
👆🏻

Conductivitate electrică

0,07 10 6 / cm Ω
Rank: 35 (Overall)
0 0.63
👆🏻

electron afinitate

53,00 kJ / mol
Rank: 23 (Overall)
0 222.8
👆🏻

Termic

Căldura specifică

0,21 J / (kg K)
Rank: 30 (Overall)
0.1 3.6
👆🏻

Molara Capacitatea de căldură

24,27 J / mol · K
Rank: 61 (Overall)
13.1 62.7
👆🏻

Conductivitate termică

50,60 W / m · K
Rank: 30 (Overall)
0 429
👆🏻

Temperatura critică

2.150,00 K
Rank: 16 (Overall)
26.3 3695
👆🏻

Expansiunea termică

7,10 pm / (m · K)
Rank: 64 (Overall)
4.5 97
👆🏻

entalpia

Entalpia de Vaporizarea

660,00 kJ / mol
Rank: 7 (Overall)
7.32 799.1
👆🏻

Entalpie Fusion

23,01 kJ / mol
Rank: 9 (Overall)
2.1 35.23
👆🏻

Entalpie de atomizare

649,00 kJ / mol
Rank: 9 (Overall)
61.5 837
👆🏻

Standard Molar Entropy

181,10 J / mol.K
Rank: 2 (Overall)
9.5 198.1
👆🏻