mbandhingaké californium lan uranium
Tabel périodik
Symbol
Cf
U
Panggil Group
ora Sumadhiya
0
18
Panggil periode
7
7
Block
pemblokiran f
pemblokiran f
Family unsur
actinide
actinide
CAS Number
7440713
20
7440611
28
Jeneng papan Group
P63 / mmc
Cmcm
Space Group Number
194.00
5
63.00
10
facts
Facts Interesting
- Californium metal banget mbebayani lan Highly radioaktif.
- Californium logam punika logam abot.
- negara mining utama saka Uranium kalebu Rusia, Australia, Namibia, Kanada lan Niger lan total 33% Uranium sing mine ing Kazakhstan.
sumber
Digawe dening némbakaké Curium karo helium ion
bumi lemah ndhuwur, Mining, Ores saka Minerals
History
sing katutup
Lawrence Berkeley National Laboratory
Not Available
Discovery
ing taun 1950
ing taun 1789
turah mbrawah
Turah mbrawah Ing Universe
ora Sumadhiya
2 * 10-8 %
29
Turah mbrawah Ing Sun
~-9999 %
~0.0000001 %
26
Turah mbrawah Ing meteorit
ora Sumadhiya
0.00 %
99+
Turah mbrawah Ing bumi lemah ndhuwur
ora Sumadhiya
0.00 %
36
Turah mbrawah Ing Segara
ora Sumadhiya
0.00 %
11
ulah
Ulah lan Wuku
- Californium logam emitter neutron kuwat banget. Kang digunakake minangka detector logam.
- Uga digunakake minangka pengenal kanggo mriksa banyu lan lapisan lenga ing sumur lenga.
- Gunakake utama saka logam kalebu bahan bakar nuklir kang digunakake kanggo generate yin listrik stasiun daya nuklir.
- unsur sintetis kaya transuranium sing digawe saka logam Uranium.
Ulah Industrial
Industri Kimia
Industry amunisi, Industri Kimia
Ulah Medical
NA
NA
Ulah liyane
wesi, Nuclear Riset
wesi, Jewellery, Bahan bakar nuklir reaktor kang, patung, Statues
Properties biologi
keracunan
Toxic
Toxic
Saiki ing badan Human
Ora
Ora
Sang
0.00 Sang / mg dm-3
37
ora Sumadhiya
ing Bone
0.00 ppm
36
ora Sumadhiya
fisik Properties
leleh Point
900.00 ° C
99+
1,132.00 ° C
39
Boiling Point
1,470.00 ° C
99+
3,818.00 ° C
16
katon
State fisik
Solid
Solid
warna
Silver
perak Gray
luster
NA
metallic
atose
Mohs atose
3.00
12
6.00
6
Brinell atose
ora Sumadhiya
2,350.00 MPa
2
Vickers atose
ora Sumadhiya
1,960.00 MPa
2
Kacepetan swara
ora Sumadhiya
3,155.00 m / s
25
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
Cf
U
isotop
Isotop dikenal
20
19
25
14
keelektronegatifan
Pauling Elektronegativitas
1.30
32
1.38
28
Allred Rochow Elektronegativitas
1.20
27
1.22
26
Electropositivity
Pauling Electropositivity
2.70
22
2.62
26
tenogo ionisasi
Level Energy 1st
608.00 kJ / mol
99+
597.60 kJ / mol
99+
Level Energy 2
1,206.00 kJ / mol
99+
1,420.00 kJ / mol
99+
Level Energy 3rd
2,267.00 kJ / mol
99+
1,900.00 kJ / mol
99+
Level Energy 4
3,599.00 kJ / mol
99+
3,145.00 kJ / mol
99+
padha karo elektrokimia
3.12 g / amp-day
15
1.48 g / amp-day
99+
Fungsi Work elektron
ora Sumadhiya
3.63 eV
30
Properties Kimia liyane
Corrosion, ionisasi, Isotop radioaktif, Radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif
atom Properties
Panggil atom
98
20
92
26
Konfigurasi elektron
[Rn] 5F 10 7s 2
[Rn] 5F 3 6D 1 7s 2
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Orthorhombic (Orth)
Crystal pola
DHCP-Crystal-Structure-of-Californium.jpg#100
ORTH-Crystal-Structure-of-Uranium.jpg#100
atom
Jumlah proton
98
20
92
26
Jumlah Neutron
153
9
146
13
Jumlah Èlèktron
98
20
92
26
Radius saka Atom
Radius atom
186.00 pm
9
156.00 pm
29
kovalen Radius
ora Sumadhiya
196.00 pm
14
Van der Waals Radius
ora Sumadhiya
186.00 pm
33
Bobot atom
251.00 Amu
17
238.03 Amu
21
Volume atom
ora Sumadhiya
12.59 cm3 / mol
40
Nomer atom jejer
Potensi Valence Electron
44.50 (-eV)
38
170.00 (-eV)
4
Constant pola
338.00 pm
99+
295.08 pm
99+
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
15.10 g / cm 3
21
19.10 g / cm 3
17
Kapadhetan Nalika Liquid (ing mp)
ora Sumadhiya
17.30 g / cm3
7
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 2000 K
ora Sumadhiya
0.01 (Pa)
20
situs kelenturan
nyukur pengaturan
ora Sumadhiya
111.00 GPA
10
pengaturan akeh
ora Sumadhiya
100.00 GPA
16
Young kang pengaturan
ora Sumadhiya
208.00 GPA
10
Poisson rasio
ora Sumadhiya
0.23
30
Properties Teknik liyane
malleable, Sectile
ductile, malleable
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
15.10
13
18.80
10
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Unknown
Arman miskin
resistivity
ora Sumadhiya
0.28 nΩ · m
99+
konduktivitas listrik
ora Sumadhiya
0.04 10 6 / cm Ω
37
termal Properties
Kalor tartamtu
ora Sumadhiya
0.12 J / (kg K)
40
Graham Kapasitas kalor
ora Sumadhiya
27.67 J / mol · K
15
doyo termal
ora Sumadhiya
27.50 W / m · K
40
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
ora Sumadhiya
13.90 μm / (m · K)
27
enthalpy
Enthalpy panguapan
ora Sumadhiya
477.00 kJ / mol
13
Enthalpy saka Fusion
ora Sumadhiya
15.48 kJ / mol
19
Enthalpy saka atomization
ora Sumadhiya
489.50 kJ / mol
14
Standard molar Entropy
ora Sumadhiya
50.20 J / mol.K
31
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