lanthanum mungsuh kalium
Tabel périodik
Symbol
La
K
Panggil Group
ora Sumadhiya
1
17
Panggil periode
6
4
Block
pemblokiran f
s pemblokiran
Family unsur
lanthanide
alkali
CAS Number
7439910
99+
7440097
99+
Jeneng papan Group
P63 / mmc
3M Im_
Space Group Number
194.00
5
229.00
1
facts
Facts Interesting
- Lanthanum logam punika Highly malleable, ductile lan sectile.
- Yen kapapar logam Lanthanum online oxidizes kanthi cepet.
- Ing dhaptar paling unsur KALUBÈRAN kalium wis ditingkat 7th.
- Kalium bisa gampang ngiris (disigar) mudhun nggunakake piso.
sumber
Found in Minerals, Mining, Ores saka Minerals
Found in Minerals, Mining
History
sing katutup
Carl Gustaf Mosander
Humphry Davy
Discovery
Wonten ing taun 1838
1807
turah mbrawah
Turah mbrawah Ing Universe
2 * 10-7 %
22
3 * 10-4 %
9
Turah mbrawah Ing Sun
~0.0000002 %
25
~0.0004 %
9
Turah mbrawah Ing meteorit
0.00 %
32
0.07 %
9
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
19
1.50 %
6
Turah mbrawah Ing Segara
0.00 %
29
0.04 %
3
Turah mbrawah Ing Manungsa
ora Sumadhiya
0.20 %
2
ulah
Ulah lan Wuku
Character length exceed error
- 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.
Ulah Industrial
Industry Listrik, Industry Elektronik
Industry amunisi, Industri Kimia
Ulah Medical
NA
Industry Pharmaceutical
Ulah liyane
wesi, Manufacturing mirror
NA
Properties biologi
keracunan
Low Toxic
Toxic
Saiki ing badan Human
Ya
Ya
Sang
ora Sumadhiya
1,620.00 Sang / mg dm-3
2
ing Bone
0.08 ppm
24
2,100.00 ppm
3
fisik Properties
leleh Point
920.00 ° C
99+
63.65 ° C
99+
Boiling Point
3,469.00 ° C
18
774.00 ° C
99+
katon
State fisik
Solid
Solid
warna
perak Putih
perak Gray
luster
NA
NA
atose
Mohs atose
2.50
14
0.40
23
Brinell atose
350.00 MPa
30
0.36 MPa
99+
Vickers atose
360.00 MPa
26
ora Sumadhiya
Kacepetan swara
2,475.00 m / s
37
2,000.00 m / s
99+
Properties Optical
allotropes
Ora
Ora
α allotropes
ora Sumadhiya
ora Sumadhiya
β allotropes
ora Sumadhiya
ora Sumadhiya
γ allotropes
ora Sumadhiya
ora Sumadhiya
Kimia Properties
Formula Kimia
La
K
isotop
Isotop dikenal
31
8
20
19
keelektronegatifan
Pauling Elektronegativitas
1.10
99+
0.82
99+
Sanderson Elektronegativitas
ora Sumadhiya
0.45
31
Allred Rochow Elektronegativitas
1.08
31
0.91
39
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya
0.73
23
Allen Elektronegativitas
ora Sumadhiya
0.73
99+
Electropositivity
Pauling Electropositivity
2.90
10
3.18
3
tenogo ionisasi
Level Energy 1st
538.10 kJ / mol
99+
418.80 kJ / mol
99+
Level Energy 2
1,067.00 kJ / mol
99+
3,052.00 kJ / mol
5
Level Energy 3rd
1,850.30 kJ / mol
99+
4,420.00 kJ / mol
8
Level Energy 4
4,819.00 kJ / mol
22
5,877.00 kJ / mol
9
Level Energy 5th
5,940.00 kJ / mol
25
7,975.00 kJ / mol
8
Level Energy 6th
ora Sumadhiya
9,590.00 kJ / mol
13
tingkat Energy 7
ora Sumadhiya
11,343.00 kJ / mol
17
Level Energy 8
ora Sumadhiya
14,944.00 kJ / mol
13
Level Energy 9
ora Sumadhiya
16,963.70 kJ / mol
15
Level Energy 10th
ora Sumadhiya
48,610.00 kJ / mol
3
Level Energy 11
ora Sumadhiya
54,490.00 kJ / mol
4
Level Energy 12
ora Sumadhiya
60,730.00 kJ / mol
4
Level Energy 13
ora Sumadhiya
68,950.00 kJ / mol
4
Level Energy 14
ora Sumadhiya
75,900.00 kJ / mol
5
Level Energy 15
ora Sumadhiya
83,080.00 kJ / mol
6
Level Energy 16
ora Sumadhiya
93,400.00 kJ / mol
7
Level Energy 17
ora Sumadhiya
99,710.00 kJ / mol
8
padha karo elektrokimia
1.73 g / amp-day
99+
1.46 g / amp-day
99+
Fungsi Work elektron
3.50 eV
31
2.30 eV
99+
Properties Kimia liyane
ionisasi, Isotop radioaktif, kelarutan
Kimia Stabilitas, Flammability, ionisasi, kelarutan
atom Properties
Panggil atom
57
99+
19
99+
Konfigurasi elektron
[Xe] 5d 2 6s 2
[Ar] 4s 1
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Body tengah kubik (Bcc)
Crystal pola
DHCP-Crystal-Structure-of-Lanthanum.jpg#100
BCC-Crystal-Structure-.jpg#100
atom
Jumlah proton
57
99+
19
99+
Jumlah Neutron
82
99+
20
99+
Jumlah Èlèktron
57
99+
19
99+
Radius saka Atom
Radius atom
187.00 pm
8
227.00 pm
3
kovalen Radius
207.00 pm
6
203.00 pm
9
Van der Waals Radius
240.00 pm
13
275.00 pm
5
Bobot atom
138.91 Amu
99+
39.10 Amu
99+
Volume atom
20.73 cm3 / mol
16
45.46 cm3 / mol
3
Nomer atom jejer
Potensi Valence Electron
40.71 (-eV)
99+
10.40 (-eV)
99+
Constant pola
377.20 pm
28
532.80 pm
12
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
1.62
2
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
6.16 g / cm 3
99+
0.86 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
5.94 g / cm3
99+
0.83 g / cm3
99+
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 2000 K
0.98 (Pa)
15
ora Sumadhiya
situs kelenturan
nyukur pengaturan
14.30 GPA
40
1.30 GPA
99+
pengaturan akeh
27.90 GPA
99+
3.10 GPA
99+
Young kang pengaturan
36.60 GPA
99+
3.53 GPA
99+
Poisson rasio
0.28
17
ora Sumadhiya
Properties Teknik liyane
ductile
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
6.17
99+
0.86
99+
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
615.00 nΩ · m
7
72.00 nΩ · m
37
konduktivitas listrik
0.01 10 6 / cm Ω
99+
0.14 10 6 / cm Ω
14
elektron Affinity
48.00 kJ / mol
23
48.40 kJ / mol
22
termal Properties
Kalor tartamtu
0.19 J / (kg K)
32
0.75 J / (kg K)
6
Graham Kapasitas kalor
27.11 J / mol · K
21
29.60 J / mol · K
6
doyo termal
13.40 W / m · K
99+
102.50 W / m · K
15
suhu kritis
ora Sumadhiya
2,223.00 K
3
Expansion termal
12.10 μm / (m · K)
32
83.30 μm / (m · K)
3
enthalpy
Enthalpy panguapan
399.60 kJ / mol
17
77.50 kJ / mol
99+
Enthalpy saka Fusion
6.20 kJ / mol
99+
2.32 kJ / mol
99+
Enthalpy saka atomization
431.00 kJ / mol
16
89.50 kJ / mol
99+
Standard molar Entropy
56.90 J / mol.K
23
64.70 J / mol.K
18
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