Symbol
K
Nb
Panggil Group
15
0
17
👆🏻
Panggil periode
45
2
7
👆🏻
Block
s pemblokiran
d block
Family unsur
alkali
transisi Metal
CAS Number
74400977440031
7429905
54386242
👆🏻
Jeneng papan Group
3M Im_
3M Im_
Space Group Number
229.00229.00
11
276
👆🏻
Facts Interesting
- Ing dhaptar paling unsur KALUBÈRAN kalium wis ditingkat 7th.
- Kalium bisa gampang ngiris (disigar) mudhun nggunakake piso.
- metal Niobium iki digunakake kanggo njaluk disebut Columbium ing past.
- metal Niobium ketemu ing alam bebas (turah mbrawah).
sumber
Found in Minerals, Mining
Miturut-produk saka Tin Extraction, Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Humphry Davy
Charles Hatchett
Discovery
1807
ing taun 1801
turah mbrawah
Turah mbrawah Ing Universe
0.00 %0.00 %
0
0.11
👆🏻
Turah mbrawah Ing Sun
0.00 %0.00 %
0
0.1
👆🏻
Turah mbrawah Ing meteorit
0.07 %0.00 %
0
22
👆🏻
Turah mbrawah Ing bumi lemah ndhuwur
1.50 %0.00 %
1E-37
8.1
👆🏻
Turah mbrawah Ing Segara
0.04 %0.00 %
0
1.1
👆🏻
Turah mbrawah Ing Manungsa
0.20 %0.00 %
0
1.4
👆🏻
Ulah lan Wuku
- senyawa kalium kang ana ing dhuwur dikarepake kanggo aplikasi ing Manufaktur pupuk.
- Kalium karbonat digunakake ing Manufaktur kaca lan kalium karbonat ing Manufaktur deterjen lan awak wisuh.
- Wesi niobium digunakake ing mesin jet lan roket lan pesawat ruang angkasa, balok lan girder kanggo bangunan lan pipa minyak lan gas.
- Iki digunakake magnet superkonduktor ing akselerator partikel, peralatan NMR lan MRI.
Ulah Industrial
Industry amunisi, Industri Kimia
Industry Aerospace, Industry amunisi, Industry Listrik, Industry Elektronik
Ulah Medical
Industry Pharmaceutical
-
Ulah liyane
-
wesi
Properties biologi
keracunan
Toxic
Low Toxic
Saiki ing badan Human
Ya
Ya
Sang
1,620.00 Sang / mg dm-30.01 Sang / mg dm-3
0
1970
👆🏻
ing Bone
2,100.00 ppm0.07 ppm
0
170000
👆🏻
leleh Point
63.65 ° C2,468.00 ° C
-38.83
3410
👆🏻
Boiling Point
774.00 ° C2,468.00 ° C
0
5660
👆🏻
katon
State fisik
Solid
Solid
warna
perak Gray
Gray
luster
-
metallic
atose
Mohs atose
0.406.00
0.2
8.5
👆🏻
Brinell atose
0.36 MPa735.00 MPa
0.14
3490
👆🏻
Vickers atose
100.00 MPa870.00 MPa
0
3920
👆🏻
Kacepetan swara
2,000.00 m / s3,480.00 m / s
818
16200
👆🏻
Properties Optical
bias Index
1.332.30
0.155
3.41
👆🏻
reflectivity
72.00 %70.00 %
5
97
👆🏻
allotropes
Ora
Ora
α allotropes
-
-
β allotropes
-
-
γ allotropes
-
-
Formula Kimia
K
Nb
isotop
Isotop dikenal
2017
0
38
👆🏻
keelektronegatifan
Pauling Elektronegativitas
0.821.60
0
2.6
👆🏻
Sanderson Elektronegativitas
0.451.42
0.22
2.56
👆🏻
Allred Rochow Elektronegativitas
0.911.23
0.86
1.9
👆🏻
Mulliken-Jaffe Elektronegativitas
0.731.60
0.62
2.48
👆🏻
Allen Elektronegativitas
0.731.41
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
3.182.40
1.46
3.3
👆🏻
tenogo ionisasi
Level Energy 1st
418.80 kJ / mol652.10 kJ / mol
375.7
26130
👆🏻
Level Energy 2
3,052.00 kJ / mol1,380.00 kJ / mol
392.8
28750
👆🏻
Level Energy 3rd
4,420.00 kJ / mol2,416.00 kJ / mol
392.8
34230
👆🏻
Level Energy 4
5,877.00 kJ / mol3,700.00 kJ / mol
375.7
37066
👆🏻
Level Energy 5th
7,975.00 kJ / mol4,877.00 kJ / mol
392
97510
👆🏻
Level Energy 6th
9,590.00 kJ / mol9,847.00 kJ / mol
1007
105800
👆🏻
tingkat Energy 7
11,343.00 kJ / mol12,100.00 kJ / mol
1007
114300
👆🏻
Level Energy 8
14,944.00 kJ / mol6,520.00 kJ / mol
730
125300
👆🏻
Level Energy 9
16,963.70 kJ / mol5,470.00 kJ / mol
1007
134700
👆🏻
Level Energy 10th
48,610.00 kJ / mol5,470.00 kJ / mol
392
144300
👆🏻
Level Energy 11
54,490.00 kJ / mol6,520.00 kJ / mol
392
169988
👆🏻
Level Energy 12
60,730.00 kJ / mol6,520.00 kJ / mol
0
189368
👆🏻
Level Energy 13
68,950.00 kJ / mol5,470.00 kJ / mol
1007
76015
👆🏻
Level Energy 14
75,900.00 kJ / mol691.00 kJ / mol
380
86450
👆🏻
Level Energy 15
83,080.00 kJ / mol65,200.00 kJ / mol
33000
100700
👆🏻
Level Energy 16
93,400.00 kJ / mol652.10 kJ / mol
375.7
109480
👆🏻
Level Energy 17
99,710.00 kJ / mol652.10 kJ / mol
375.7
122200
👆🏻
Level Energy 18
4,196.00 kJ / mol6,520.00 kJ / mol
0
134810
👆🏻
Level Energy 19
419.20 kJ / mol652.10 kJ / mol
375.7
148700
👆🏻
Level Energy 20
419.00 kJ / mol652.00 kJ / mol
0
171200
👆🏻
Level Energy 21
419.20 kJ / mol652.10 kJ / mol
375.7
179100
👆🏻
Level Energy 22
419.00 kJ / mol694.00 kJ / mol
330
184900
👆🏻
Level Energy 23rd
419.20 kJ / mol4,490.00 kJ / mol
357.6
198800
👆🏻
Level Energy 24
419.20 kJ / mol652.10 kJ / mol
297.3
195200
👆🏻
Level Energy 25th
419.20 kJ / mol652.10 kJ / mol
0
121900
👆🏻
Level Energy 26th
419.20 kJ / mol652.10 kJ / mol
357.6
127700
👆🏻
Level Energy 27th
419.20 kJ / mol652.10 kJ / mol
0
133800
👆🏻
Level Energy 28th
419.20 kJ / mol652.10 kJ / mol
297.3
139800
👆🏻
Level Energy 29
419.20 kJ / mol652.10 kJ / mol
0
148100
👆🏻
Level Energy 30
419.00 kJ / mol652.00 kJ / mol
0
154500
👆🏻
padha karo elektrokimia
1.46 g / amp-day0.69 g / amp-day
0.16812
8.3209
👆🏻
Fungsi Work elektron
2.30 eV4.30 eV
2.14
6
👆🏻
Properties Kimia liyane
Kimia Stabilitas, Flammability, ionisasi, kelarutan
anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
Panggil atom
1941
3
117
👆🏻
Konfigurasi elektron
[Ar] 4s 1
[Kr] 4d 4 5S 1
Struktur Crystal
Body tengah kubik (Bcc)
Body tengah kubik (Bcc)
Crystal pola
atom
Jumlah proton
1941
3
117
👆🏻
Jumlah Neutron
2052
4
285
👆🏻
Jumlah Èlèktron
1941
3
117
👆🏻
Radius saka Atom
Radius atom
227.00 pm146.00 pm
0
348
👆🏻
kovalen Radius
203.00 pm164.00 pm
0
260
👆🏻
Van der Waals Radius
275.00 pm200.00 pm
0
348
👆🏻
Bobot atom
39.10 Amu92.91 Amu
6.94
294
👆🏻
Volume atom
45.46 cm3 / mol10.87 cm3 / mol
1.39
71.07
👆🏻
Nomer atom jejer
unsur Previous
Sabanjure unsur
Potensi Valence Electron
10.40 (-eV)104.00 (-eV)
0
392.42
👆🏻
Constant pola
532.80 pm330.04 pm
0
891.25
👆🏻
pola Angles
π/2, π/2, π/2
π/2, π/2, π/2
Pola C / A rasio
1.691.47
0.423
1.9
👆🏻
Kapadhetan
Kapadhetan Ing suhu kamar
0.86 g / cm 38.57 g / cm 3
0.534
40.7
👆🏻
Kapadhetan Nalika Liquid (ing mp)
0.83 g / cm38.57 g / cm3
0.512
41
👆🏻
Strength tensile
16.00 MPa330.00 MPa
0.1
11000
👆🏻
viskositas
0.000.00
1.5E-05
0.0035
👆🏻
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)0.00 (Pa)
0
121
👆🏻
Meksa beluk ing 2000 K
0.00 (Pa)0.00 (Pa)
0
774
👆🏻
situs kelenturan
nyukur pengaturan
1.30 GPA38.00 GPA
1.3
222
👆🏻
pengaturan akeh
3.10 GPA170.00 GPA
0
462
👆🏻
Young kang pengaturan
3.53 GPA105.00 GPA
0
528
👆🏻
Poisson rasio
0.350.40
0.032
0.47
👆🏻
Properties Teknik liyane
-
ductile, malleable
Ciri Magnetic
Gravitasi tartamtu
0.868.57
0.53
4500
👆🏻
Nindakake Magnetic
paramagnetic
paramagnetic
permeabilitas
0.00 H / m0.00 H / m
1.25643E-06
0.0063
👆🏻
kelemahan
0.000.00
-0.000166
200000
👆🏻
Properties Listrik
Property Listrik
Arman
Arman
resistivity
72.00 nΩ · m152.00 nΩ · m
0.1
961
👆🏻
konduktivitas listrik
0.14 10 6 / cm Ω0.07 10 6 / cm Ω
0
0.63
👆🏻
elektron Affinity
48.40 kJ / mol86.10 kJ / mol
0
222.8
👆🏻
Kalor tartamtu
0.75 J / (kg K)0.26 J / (kg K)
0.1
3.6
👆🏻
Graham Kapasitas kalor
29.60 J / mol · K24.60 J / mol · K
13.1
62.7
👆🏻
doyo termal
102.50 W / m · K53.70 W / m · K
0
429
👆🏻
suhu kritis
2,223.00 K2,750.00 K
26.3
3695
👆🏻
Expansion termal
83.30 μm / (m · K)7.30 μm / (m · K)
4.5
97
👆🏻
enthalpy
Enthalpy panguapan
77.50 kJ / mol696.60 kJ / mol
7.32
799.1
👆🏻
Enthalpy saka Fusion
2.32 kJ / mol27.20 kJ / mol
2.1
35.23
👆🏻
Enthalpy saka atomization
89.50 kJ / mol745.00 kJ / mol
61.5
837
👆🏻
Standard molar Entropy
64.70 J / mol.K36.40 J / mol.K
9.5
198.1
👆🏻