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Molibdènum

42 niobium ← molybdenum → technetium
Cr
↑
Mo
↓
W
Katrangan Umum Unsur
Jeneng, Lambang, Nomer atom molybdenum, Mo, 42
Dhèrèt kimia transition metals
Golongan, Période, Blok 6, 5, d
Panampilan gray metallic
Massa atom 95.94(2) g/mol
Konfigurasi elektron [Kr] 4d5 5s1
Cacahing èlèktron saben kulit 2, 8, 18, 13, 1
Ciri-ciri fisik
Fase solid
Massa jenis (watara suhu kamar) 10.28 g/cm³
Massa jenis cair ing titik lebur 9.33 g/cm³
Titik lebur 2896 K
(2623 °C, 4753 °F)
Titik umob 4912 K
(4639 °C, 8382 °F)
Kalor peleburan 37.48 kJ/mol
Kalor panguapan 617 kJ/mol
Kapasitas kalor (25 °C) 24.06 J/(mol·K)
Tekanan uap
P/Pa 1 10 100 1 k 10 k 100 k
ing T/K 2742 2994 3312 3707 4212 4879
Ciri-ciri atom
Struktur kristal cubic body centered
Bilangan oksidasi 6, 5, 4, 3, 2, 1[1]
(strongly acidic oxide)
Elektronegativitas 2.16 (skala Pauling)
Energi ionisasi
(detil) 		ke-1: 684.3 kJ/mol
ke-2: 1560 kJ/mol
ke-3: 2618 kJ/mol
Jari-jari atom 145 pm
Jari-jari atom (terhitung) 190 pm
Jari-jari kovalen 145 pm
Lain-lain
Sifat magnetik no data
Resistivitas listrik (20 °C) 53.4 nΩ·m
Konduktivitas termal (300 K) 138 W/(m·K)
Ekspansi termal (25 °C) 4.8 µm/(m·K)
Kacepetan swara
(ing wujud kawat)		 (suhu kamar) 5400 m/s
Modulus Young 329 GPa
Modulus rigiditas 126 GPa
Modulus ruah 230 GPa
Nisbah Poisson 0.31
Skala Mohs 5.5
Kakerasan Vickers 1530 MPa
Kekerasan Brinell 1500 MPa
Nomor CAS 7439-98-7
Isotop
iso NA waktu paruh DM DE (MeV) DP
92Mo 14.84% Mo stabil kanthi 50 neutron
93Mo syn 4×103 y ε - 93Nb
94Mo 9.25% Mo stabil kanthi 52 neutron
95Mo 15.92% Mo stabil kanthi 53 neutron
96Mo 16.68% Mo stabil kanthi 54 neutron
97Mo 9.55% Mo stabil kanthi 55 neutron
98Mo 24.13% Mo stabil kanthi 56 neutron
99Mo syn 65.94 h β- 0.436, 1.214 99Tc
γ 0.74, 0.36,
0.14 		-
100Mo 9.63% 7.8×1018 y β-β- 3.04 100Ru
Referensi

Molybdenum (uniné /məˈlɪbdənəm/, saka Basa Yunani kang tegesé kaya timbel, iku kalebu unsur kimia grup 6 kanthi simbul Mo lan nomer atom 42.


Rujukan

[besut | besut sumber]
  1. ↑ "Molybdenum: molybdenum(I) fluoride compound data". OpenMOPAC.net. Diarsip saka sing asli ing 2011-07-21. Dibukak ing 2007-12-10.

Pranala njaba

[besut | besut sumber]
Wikimedia Commons duwé médhia ngenani Molybdenum.
Wiktionary
Wiktionary
Pirsani informasi ngenani Molibdènum ing KamusWiki.
Golongan → 1 2
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Période ↓
1 1
H
2
He
2 3
Li		 4
Be

5
B		 6
C		 7
N		 8
O		 9
F		 10
Ne
3 11
Na		 12
Mg

13
Al		 14
Si		 15
P		 16
S		 17
Cl		 18
Ar
4 19
K		 20
Ca
21
Sc		 22
Ti		 23
V		 24
Cr		 25
Mn		 26
Fe		 27
Co		 28
Ni		 29
Cu		 30
Zn		 31
Ga		 32
Ge		 33
As		 34
Se		 35
Br		 36
Kr
5 37
Rb		 38
Sr
39
Y		 40
Zr		 41
Nb		 42
Mo		 43
Tc		 44
Ru		 45
Rh		 46
Pd		 47
Ag		 48
Cd		 49
In		 50
Sn		 51
Sb		 52
Te		 53
I		 54
Xe
6 55
Cs		 56
Ba		 *
 71
Lu		 72
Hf		 73
Ta		 74
W		 75
Re		 76
Os		 77
Ir		 78
Pt		 79
Au		 80
Hg		 81
Tl		 82
Pb		 83
Bi		 84
Po		 85
At		 86
Rn
7 87
 Fr 		 88
Ra		 **
 103
Lr		 104
Rf		 105
Db		 106
Sg		 107
Bh		 108
Hs		 109
Mt		 110
Ds		 111
Rg		 112
Cn		 113
Nh		 114
Fl		 115
Mc		 116
Lv		 117
Ts		 118
Og

* Lantanida 57
La		 58
Ce		 59
Pr		 60
Nd		 61
Pm		 62
Sm		 63
Eu		 64
Gd		 65
Tb		 66
Dy		 67
Ho		 68
Er		 69
Tm		 70
Yb
** Aktinida 89
Ac		 90
Th		 91
Pa		 92
U		 93
Np		 94
Pu		 95
Am		 96
Cm		 97
Bk		 98
Cf		 99
Es		 100
Fm		 101
Md		 102
No
Seri Kimia saka Tabel Périodik
Logam alkali Alkali tanah Lantanida Aktinida Logam transisi
Logam Metaloid Nonlogam Halogen Gas mulia



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Molibdènum
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