lanthanum mungsuh calcium
Tabel périodik
Symbol
La
Ca
Panggil Group
ora Sumadhiya
2
16
Panggil periode
6
4
Block
pemblokiran f
s pemblokiran
Family unsur
lanthanide
alkalin bumi
CAS Number
7439910
99+
7440702
21
Jeneng papan Group
P63 / mmc
Fm_ 3M
Space Group Number
194.00
5
225.00
2
facts
Facts Interesting
- Lanthanum logam punika Highly malleable, ductile lan sectile.
- Yen kapapar logam Lanthanum online oxidizes kanthi cepet.
- Calcium rangking Alexa 5th ing dhaftar turah mbrawah bumi persentasi.
- Iki urip ing negara senyawa.
- Gypsum utawa calcium sulfat digunakake minangka plester lan plester saka paris.
sumber
Found in Minerals, Mining, Ores saka Minerals
bumi lemah ndhuwur, Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Carl Gustaf Mosander
Humphry Davy
Discovery
Wonten ing taun 1838
ing taun 1808
turah mbrawah
Turah mbrawah Ing Universe
2 * 10-7 %
22
7 * 10-3 %
3
Turah mbrawah Ing Sun
~0.0000002 %
25
~0.007 %
4
Turah mbrawah Ing meteorit
0.00 %
32
1.10 %
4
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
19
5.00 %
3
Turah mbrawah Ing Segara
0.00 %
29
0.00 %
5
Turah mbrawah Ing Manungsa
ora Sumadhiya
1.40 %
1
ulah
Ulah lan Wuku
Character length exceed error
Character length exceed error
Ulah Industrial
Industry Listrik, Industry Elektronik
Industri Kimia
Ulah Medical
NA
Dentistry, Industry Pharmaceutical
Ulah liyane
wesi, Manufacturing mirror
wesi
Properties biologi
keracunan
Low Toxic
non Toxic
Saiki ing badan Human
Ya
Ya
Sang
ora Sumadhiya
60.50 Sang / mg dm-3
4
ing Bone
0.08 ppm
24
170,000.00 ppm
1
fisik Properties
leleh Point
920.00 ° C
99+
839.00 ° C
99+
Boiling Point
3,469.00 ° C
18
1,484.00 ° C
99+
katon
State fisik
Solid
Solid
warna
perak Putih
Gray
luster
NA
NA
atose
Mohs atose
2.50
14
1.75
17
Brinell atose
350.00 MPa
30
170.00 MPa
99+
Vickers atose
360.00 MPa
26
ora Sumadhiya
Kacepetan swara
2,475.00 m / s
37
3,810.00 m / s
19
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
Ca
isotop
Isotop dikenal
31
8
19
20
keelektronegatifan
Pauling Elektronegativitas
1.10
99+
1.00
99+
Sanderson Elektronegativitas
ora Sumadhiya
0.95
24
Allred Rochow Elektronegativitas
1.08
31
1.04
34
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya
1.08
17
Allen Elektronegativitas
ora Sumadhiya
1.03
39
Electropositivity
Pauling Electropositivity
2.90
10
3.00
9
tenogo ionisasi
Level Energy 1st
538.10 kJ / mol
99+
589.80 kJ / mol
99+
Level Energy 2
1,067.00 kJ / mol
99+
1,145.40 kJ / mol
99+
Level Energy 3rd
1,850.30 kJ / mol
99+
4,912.40 kJ / mol
7
Level Energy 4
4,819.00 kJ / mol
22
6,491.00 kJ / mol
7
Level Energy 5th
5,940.00 kJ / mol
25
8,153.00 kJ / mol
7
Level Energy 6th
ora Sumadhiya
10,496.00 kJ / mol
8
tingkat Energy 7
ora Sumadhiya
12,270.00 kJ / mol
12
Level Energy 8
ora Sumadhiya
14,206.00 kJ / mol
15
Level Energy 9
ora Sumadhiya
18,191.00 kJ / mol
12
Level Energy 10th
ora Sumadhiya
20,385.00 kJ / mol
16
Level Energy 11
ora Sumadhiya
57,110.00 kJ / mol
3
Level Energy 12
ora Sumadhiya
63,410.00 kJ / mol
3
Level Energy 13
ora Sumadhiya
70,110.00 kJ / mol
3
Level Energy 14
ora Sumadhiya
78,890.00 kJ / mol
4
Level Energy 15
ora Sumadhiya
86,310.00 kJ / mol
5
Level Energy 16
ora Sumadhiya
94,000.00 kJ / mol
6
Level Energy 17
ora Sumadhiya
104,900.00 kJ / mol
7
Level Energy 18
ora Sumadhiya
111,711.00 kJ / mol
8
padha karo elektrokimia
1.73 g / amp-day
99+
0.75 g / amp-day
99+
Fungsi Work elektron
3.50 eV
31
2.87 eV
38
Properties Kimia liyane
ionisasi, Isotop radioaktif, kelarutan
Kimia Stabilitas, Flammability, ionisasi, kelarutan
atom Properties
Panggil atom
57
99+
20
99+
Konfigurasi elektron
[Xe] 5d 2 6s 2
[Ar] 4s 2
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Face tengah kubik (FCC)
Crystal pola
DHCP-Crystal-Structure-of-Lanthanum.jpg#100
FCC-Crystal-Structure-of-Calcium.jpg#100
atom
Jumlah proton
57
99+
20
99+
Jumlah Neutron
82
99+
20
99+
Jumlah Èlèktron
57
99+
20
99+
Radius saka Atom
Radius atom
187.00 pm
8
197.00 pm
6
kovalen Radius
207.00 pm
6
176.00 pm
22
Van der Waals Radius
240.00 pm
13
231.00 pm
19
Bobot atom
138.91 Amu
99+
40.08 Amu
99+
Volume atom
20.73 cm3 / mol
16
29.90 cm3 / mol
7
Nomer atom jejer
Potensi Valence Electron
40.71 (-eV)
99+
29.00 (-eV)
99+
Constant pola
377.20 pm
28
558.84 pm
9
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+
1.55 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
5.94 g / cm3
99+
1.38 g / cm3
99+
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
ora Sumadhiya
25.50 (Pa)
3
Meksa beluk ing 2000 K
0.98 (Pa)
15
ora Sumadhiya
situs kelenturan
nyukur pengaturan
14.30 GPA
40
7.40 GPA
99+
pengaturan akeh
27.90 GPA
99+
17.00 GPA
99+
Young kang pengaturan
36.60 GPA
99+
20.00 GPA
99+
Poisson rasio
0.28
17
0.31
13
Properties Teknik liyane
ductile
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
6.17
99+
4.58
99+
Nindakake Magnetic
paramagnetic
diamagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
615.00 nΩ · m
7
33.60 nΩ · m
99+
konduktivitas listrik
0.01 10 6 / cm Ω
99+
0.30 10 6 / cm Ω
6
elektron Affinity
48.00 kJ / mol
23
2.37 kJ / mol
39
termal Properties
Kalor tartamtu
0.19 J / (kg K)
32
0.63 J / (kg K)
7
Graham Kapasitas kalor
27.11 J / mol · K
21
25.93 J / mol · K
34
doyo termal
13.40 W / m · K
99+
201.00 W / m · K
5
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
12.10 μm / (m · K)
32
22.30 μm / (m · K)
19
enthalpy
Enthalpy panguapan
399.60 kJ / mol
17
150.00 kJ / mol
99+
Enthalpy saka Fusion
6.20 kJ / mol
99+
8.54 kJ / mol
99+
Enthalpy saka atomization
431.00 kJ / mol
16
184.00 kJ / mol
99+
Standard molar Entropy
56.90 J / mol.K
23
41.60 J / mol.K
36
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