Symbol
K
Cd
Panggil Group
112
0
17
👆🏻
Panggil periode
45
2
7
👆🏻
Block
s pemblokiran
d block
Family unsur
alkali
transisi Metal
CAS Number
74400977440439
7429905
54386242
👆🏻
Jeneng papan Group
3M Im_
P63 / mmc
Space Group Number
229.00194.00
11
276
👆🏻
Facts Interesting
- Ing dhaptar paling unsur KALUBÈRAN kalium wis ditingkat 7th.
- Kalium bisa gampang ngiris (disigar) mudhun nggunakake piso.
- Unsur cilik sing alami kalebu Kadmium.
- Kadmium dibebasake menyang atmosfer kanggo ngontrol letusan gunung geni lan kebakaran alas.
- Kang digunakake kanggo electroplating saka Steel kanggo resistance karat.
- Bisa nyerep neutron lan digunakake ing reaktor nuklir kanggo ngontrol fisi atom.
sumber
Found in Minerals, Mining
Found Minangka By-produk, Found in Minerals, Mining
History
sing katutup
Humphry Davy
Karl Samuel Leberecht Hermann and Friedrich Stromeyer
Discovery
1807
ing 1817
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.
- Wis Efesus banget winates minangka logam beracun lan bisa nimbulaké cacat lair, kanker, etc.
- Meh 80% saka logam kadmium digunakake ing Nikel Baterei kadmium lan saiki lagi njupuk diganti karo isotop nikel.
Ulah Industrial
Industry amunisi, Industri Kimia
Industry Aerospace, Industry amunisi, Industri Kimia, Industry Listrik, Industry Elektronik
Ulah Medical
Industry Pharmaceutical
-
Ulah liyane
-
wesi
Properties biologi
keracunan
Toxic
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 ppm1.80 ppm
0
170000
👆🏻
leleh Point
63.65 ° C320.90 ° C
-38.83
3410
👆🏻
Boiling Point
774.00 ° C765.00 ° C
0
5660
👆🏻
katon
State fisik
Solid
Solid
warna
perak Gray
Perak werna-Gray
luster
-
metallic
atose
Mohs atose
0.402.00
0.2
8.5
👆🏻
Brinell atose
0.36 MPa203.00 MPa
0.14
3490
👆🏻
Vickers atose
100.00 MPa90.00 MPa
0
3920
👆🏻
Kacepetan swara
2,000.00 m / s2,310.00 m / s
818
16200
👆🏻
Properties Optical
bias Index
1.331.71
0.155
3.41
👆🏻
reflectivity
72.00 %67.00 %
5
97
👆🏻
allotropes
Ora
Ora
α allotropes
-
-
β allotropes
-
-
γ allotropes
-
-
Formula Kimia
K
Cd
isotop
Isotop dikenal
2034
0
38
👆🏻
keelektronegatifan
Pauling Elektronegativitas
0.821.69
0
2.6
👆🏻
Sanderson Elektronegativitas
0.451.98
0.22
2.56
👆🏻
Allred Rochow Elektronegativitas
0.911.46
0.86
1.9
👆🏻
Mulliken-Jaffe Elektronegativitas
0.731.53
0.62
2.48
👆🏻
Allen Elektronegativitas
0.731.52
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
3.182.31
1.46
3.3
👆🏻
tenogo ionisasi
Level Energy 1st
418.80 kJ / mol867.80 kJ / mol
375.7
26130
👆🏻
Level Energy 2
3,052.00 kJ / mol1,631.40 kJ / mol
392.8
28750
👆🏻
Level Energy 3rd
4,420.00 kJ / mol3,616.00 kJ / mol
392.8
34230
👆🏻
Level Energy 4
5,877.00 kJ / mol867.80 kJ / mol
375.7
37066
👆🏻
Level Energy 5th
7,975.00 kJ / mol4,040.00 kJ / mol
392
97510
👆🏻
Level Energy 6th
9,590.00 kJ / mol8,640.00 kJ / mol
1007
105800
👆🏻
tingkat Energy 7
11,343.00 kJ / mol8,640.00 kJ / mol
1007
114300
👆🏻
Level Energy 8
14,944.00 kJ / mol8,640.00 kJ / mol
730
125300
👆🏻
Level Energy 9
16,963.70 kJ / mol8,670.00 kJ / mol
1007
134700
👆🏻
Level Energy 10th
48,610.00 kJ / mol8,650.00 kJ / mol
392
144300
👆🏻
Level Energy 11
54,490.00 kJ / mol8,670.00 kJ / mol
392
169988
👆🏻
Level Energy 12
60,730.00 kJ / mol86,400.00 kJ / mol
0
189368
👆🏻
Level Energy 13
68,950.00 kJ / mol8,640.00 kJ / mol
1007
76015
👆🏻
Level Energy 14
75,900.00 kJ / mol8,650.00 kJ / mol
380
86450
👆🏻
Level Energy 15
83,080.00 kJ / mol86,400.00 kJ / mol
33000
100700
👆🏻
Level Energy 16
93,400.00 kJ / mol86,400.00 kJ / mol
375.7
109480
👆🏻
Level Energy 17
99,710.00 kJ / mol864.90 kJ / mol
375.7
122200
👆🏻
Level Energy 18
4,196.00 kJ / mol8,670.00 kJ / mol
0
134810
👆🏻
Level Energy 19
419.20 kJ / mol867.80 kJ / mol
375.7
148700
👆🏻
Level Energy 20
419.00 kJ / mol865.00 kJ / mol
0
171200
👆🏻
Level Energy 21
419.20 kJ / mol8,670.00 kJ / mol
375.7
179100
👆🏻
Level Energy 22
419.00 kJ / mol864.00 kJ / mol
330
184900
👆🏻
Level Energy 23rd
419.20 kJ / mol864.90 kJ / mol
357.6
198800
👆🏻
Level Energy 24
419.20 kJ / mol864.90 kJ / mol
297.3
195200
👆🏻
Level Energy 25th
419.20 kJ / mol864.00 kJ / mol
0
121900
👆🏻
Level Energy 26th
419.20 kJ / mol864.90 kJ / mol
357.6
127700
👆🏻
Level Energy 27th
419.20 kJ / mol864.90 kJ / mol
0
133800
👆🏻
Level Energy 28th
419.20 kJ / mol864.90 kJ / mol
297.3
139800
👆🏻
Level Energy 29
419.20 kJ / mol864.90 kJ / mol
0
148100
👆🏻
Level Energy 30
419.00 kJ / mol864.00 kJ / mol
0
154500
👆🏻
padha karo elektrokimia
1.46 g / amp-day2.10 g / amp-day
0.16812
8.3209
👆🏻
Fungsi Work elektron
2.30 eV4.22 eV
2.14
6
👆🏻
Properties Kimia liyane
Kimia Stabilitas, Flammability, ionisasi, kelarutan
Kimia Stabilitas, anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
Panggil atom
1948
3
117
👆🏻
Konfigurasi elektron
[Ar] 4s 1
[Kr] 4d 10 5S 2
Struktur Crystal
Body tengah kubik (Bcc)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
atom
Jumlah proton
1948
3
117
👆🏻
Jumlah Neutron
2064
4
285
👆🏻
Jumlah Èlèktron
1948
3
117
👆🏻
Radius saka Atom
Radius atom
227.00 pm151.00 pm
0
348
👆🏻
kovalen Radius
203.00 pm144.00 pm
0
260
👆🏻
Van der Waals Radius
275.00 pm158.00 pm
0
348
👆🏻
Bobot atom
39.10 Amu112.41 Amu
6.94
294
👆🏻
Volume atom
45.46 cm3 / mol13.10 cm3 / mol
1.39
71.07
👆🏻
Nomer atom jejer
unsur Previous
Sabanjure unsur
Potensi Valence Electron
10.40 (-eV)30.00 (-eV)
0
392.42
👆🏻
Constant pola
532.80 pm297.94 pm
0
891.25
👆🏻
pola Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
Pola C / A rasio
1.691.89
0.423
1.9
👆🏻
Kapadhetan
Kapadhetan Ing suhu kamar
0.86 g / cm 38.65 g / cm 3
0.534
40.7
👆🏻
Kapadhetan Nalika Liquid (ing mp)
0.83 g / cm38.00 g / cm3
0.512
41
👆🏻
Strength tensile
16.00 MPa62.00 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 GPA19.00 GPA
1.3
222
👆🏻
pengaturan akeh
3.10 GPA42.00 GPA
0
462
👆🏻
Young kang pengaturan
3.53 GPA50.00 GPA
0
528
👆🏻
Poisson rasio
0.350.30
0.032
0.47
👆🏻
Properties Teknik liyane
-
ductile, malleable
Ciri Magnetic
Gravitasi tartamtu
0.868.65
0.53
4500
👆🏻
Nindakake Magnetic
paramagnetic
diamagnetic
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
Semiconductor
resistivity
72.00 nΩ · m72.70 nΩ · m
0.1
961
👆🏻
konduktivitas listrik
0.14 10 6 / cm Ω0.14 10 6 / cm Ω
0
0.63
👆🏻
elektron Affinity
48.40 kJ / mol0.00 kJ / mol
0
222.8
👆🏻
Kalor tartamtu
0.75 J / (kg K)0.23 J / (kg K)
0.1
3.6
👆🏻
Graham Kapasitas kalor
29.60 J / mol · K26.02 J / mol · K
13.1
62.7
👆🏻
doyo termal
102.50 W / m · K96.60 W / m · K
0
429
👆🏻
suhu kritis
2,223.00 K594.00 K
26.3
3695
👆🏻
Expansion termal
83.30 μm / (m · K)30.80 μm / (m · K)
4.5
97
👆🏻
enthalpy
Enthalpy panguapan
77.50 kJ / mol100.00 kJ / mol
7.32
799.1
👆🏻
Enthalpy saka Fusion
2.32 kJ / mol6.19 kJ / mol
2.1
35.23
👆🏻
Enthalpy saka atomization
89.50 kJ / mol113.00 kJ / mol
61.5
837
👆🏻
Standard molar Entropy
64.70 J / mol.K51.80 J / mol.K
9.5
198.1
👆🏻