californium mungsuh fermium
Tabel périodik
Symbol
Cf
Fm
Panggil Group
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Panggil periode
7
7
Block
pemblokiran f
pemblokiran f
Family unsur
actinide
actinide
CAS Number
7440713
20
7440724
19
Jeneng papan Group
P63 / mmc
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Space Group Number
194.00
5
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facts
Facts Interesting
- Californium metal banget mbebayani lan Highly radioaktif.
- Californium logam punika logam abot.
- metal Fermium punika Highly radioaktif ing alam.
- Fermium wis sintetik diprodhuksi logam.
sumber
Digawe dening némbakaké Curium karo helium ion
Némbakaké Pu-239 karo Neutron
History
sing katutup
Lawrence Berkeley National Laboratory
Lawrence Berkeley National Laboratory
Discovery
ing taun 1950
ing taun 1952
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.
- Efesus saiki dikenal saka logam Fermium sing winates kanggo riset waé mung.
Ulah Industrial
Industri Kimia
NA
Ulah Medical
NA
NA
Ulah liyane
wesi, Nuclear Riset
NA
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+
1,527.00 ° C
26
Boiling Point
1,470.00 ° C
99+
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katon
State fisik
Solid
Solid
warna
Silver
Unknown
luster
NA
ora ditetepake
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
Fm
isotop
Isotop dikenal
20
19
18
21
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+
627.00 kJ / mol
99+
Level Energy 2
1,206.00 kJ / mol
99+
1,225.00 kJ / mol
99+
Level Energy 3rd
2,267.00 kJ / mol
99+
2,363.00 kJ / mol
99+
Level Energy 4
3,599.00 kJ / mol
99+
3,792.00 kJ / mol
99+
padha karo elektrokimia
3.12 g / amp-day
15
3.20 g / amp-day
13
Fungsi Work elektron
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Properties Kimia liyane
Corrosion, ionisasi, Isotop radioaktif, Radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif
atom Properties
Panggil atom
98
20
100
18
Konfigurasi elektron
[Rn] 5F 10 7s 2
[Rn] 5F 12 7s 2
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
ora Lake
Crystal pola
DHCP-Crystal-Structure-of-Californium.jpg#100
Unknown-Crystal-Structure-of-Fermium.jpg#100
atom
Jumlah proton
98
20
100
18
Jumlah Neutron
153
9
157
7
Jumlah Èlèktron
98
20
100
18
Radius saka Atom
Radius atom
186.00 pm
9
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Van der Waals Radius
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245.00 pm
9
Bobot atom
251.00 Amu
17
257.00 Amu
15
Volume atom
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Nomer atom jejer
Potensi Valence Electron
44.50 (-eV)
38
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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
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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
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
15.10
13
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Nindakake Magnetic
paramagnetic
Unknown
Properties Listrik
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
Standard molar Entropy
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