californium mungsuh Curium
Tabel périodik
Symbol
Cf
Cm
Panggil Group
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Panggil periode
7
7
Block
pemblokiran f
pemblokiran f
Family unsur
actinide
actinide
CAS Number
7440713
20
7440519
36
Jeneng papan Group
P63 / mmc
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Space Group Number
194.00
5
ora Sumadhiya
facts
Facts Interesting
- Californium metal banget mbebayani lan Highly radioaktif.
- Californium logam punika logam abot.
- metal Curium ora kelakon free ing alam.
- metal Curium logam sintetik diprodhuksi.
sumber
Digawe dening némbakaké Curium karo helium ion
Némbakaké Plutonium karo helium ion
History
sing katutup
Lawrence Berkeley National Laboratory
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso
Discovery
ing taun 1950
ing 1944
turah mbrawah
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.
- metal Curium digunakake kanggo nyedhiyani daya kanggo peralatan listrik kanggo papan misi.
Ulah Industrial
Industri Kimia
NA
Ulah Medical
NA
NA
Ulah liyane
wesi, Nuclear Riset
tujuan Research
Properties biologi
keracunan
Toxic
Unknown
Saiki ing badan Human
Ora
Ora
Sang
0.00 Sang / mg dm-3
37
0.00 Sang / mg dm-3
37
ing Bone
0.00 ppm
36
0.00 ppm
36
fisik Properties
leleh Point
900.00 ° C
99+
1,340.00 ° C
34
Boiling Point
1,470.00 ° C
99+
3,110.00 ° C
30
katon
State fisik
Solid
Solid
warna
Silver
Silver
luster
NA
metallic
atose
Mohs atose
3.00
12
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Kacepetan swara
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Properties Optical
allotropes
Ora
Ora
α allotropes
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β allotropes
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γ allotropes
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Kimia Properties
Formula Kimia
Cf
Cm
isotop
Isotop dikenal
20
19
15
24
keelektronegatifan
Pauling Elektronegativitas
1.30
32
1.30
32
Allred Rochow Elektronegativitas
1.20
27
1.20
27
Electropositivity
Pauling Electropositivity
2.70
22
2.70
22
tenogo ionisasi
Level Energy 1st
608.00 kJ / mol
99+
581.00 kJ / mol
99+
Level Energy 2
1,206.00 kJ / mol
99+
1,196.00 kJ / mol
99+
Level Energy 3rd
2,267.00 kJ / mol
99+
2,026.00 kJ / mol
99+
Level Energy 4
3,599.00 kJ / mol
99+
3,550.00 kJ / mol
99+
padha karo elektrokimia
3.12 g / amp-day
15
3.07 g / amp-day
16
Fungsi Work elektron
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Properties Kimia liyane
Corrosion, ionisasi, Isotop radioaktif, Radioaktif, kelarutan
ionisasi, Isotop radioaktif
atom Properties
Panggil atom
98
20
96
22
Konfigurasi elektron
[Rn] 5F 10 7s 2
[Rn] 5F 7 6D 1 7s 2
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Double Hexagonal Tutup dikempalken (DHCP)
Crystal pola
DHCP-Crystal-Structure-of-Californium.jpg#100
DHCP-Crystal-Structure-of-Curium.jpg#100
atom
Jumlah proton
98
20
96
22
Jumlah Neutron
153
9
151
10
Jumlah Èlèktron
98
20
96
22
Radius saka Atom
Radius atom
186.00 pm
9
174.00 pm
20
kovalen Radius
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169.00 pm
26
Van der Waals Radius
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200.00 pm
28
Bobot atom
251.00 Amu
17
247.00 Amu
18
Volume atom
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18.28 cm3 / mol
26
Nomer atom jejer
Potensi Valence Electron
44.50 (-eV)
38
44.50 (-eV)
38
Constant pola
338.00 pm
99+
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pola Angles
π/2, π/2, 2 π/3
NA
Pola C / A rasio
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Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
15.10 g / cm 3
21
13.51 g / cm 3
25
Kapadhetan Nalika Liquid (ing mp)
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13.85 g / cm3
10
Strength tensile
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viskositas
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meksa beluk
situs kelenturan
Poisson rasio
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Properties Teknik liyane
malleable, Sectile
Unknown
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
15.10
13
13.51
17
Nindakake Magnetic
paramagnetic
Antiferromagnetic
Properties Listrik
resistivity
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1.25 nΩ · m
99+
termal Properties
Kalor tartamtu
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Graham Kapasitas kalor
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doyo termal
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suhu kritis
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Expansion termal
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enthalpy
Enthalpy saka Fusion
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15.00 kJ / mol
21
Standard molar Entropy
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