mbandhingaké californium lan Protaktinium
Tabel périodik
Symbol
Cf
Pa
Panggil Group
ora Sumadhiya
ora Sumadhiya
Panggil periode
7
7
Block
pemblokiran f
pemblokiran f
Family unsur
actinide
actinide
CAS Number
7440713
20
7440133
99+
Jeneng papan Group
P63 / mmc
I4 / mmm
Space Group Number
194.00
5
139.00
8
facts
Facts Interesting
- Californium metal banget mbebayani lan Highly radioaktif.
- Californium logam punika logam abot.
- metal Protaktinium wis 29 isotop.
- Isotop saka Protaktinium-231 digunakake ing gegaman nuklir.
sumber
Digawe dening némbakaké Curium karo helium ion
Found in Ores Uranium, Mining, Ores logam
History
sing katutup
Lawrence Berkeley National Laboratory
William Crookes
Discovery
ing taun 1950
ing taun 1900
turah mbrawah
Turah mbrawah Ing bumi lemah ndhuwur
ora Sumadhiya
0.00 %
99+
Turah mbrawah Ing Segara
ora Sumadhiya
0.00 %
99+
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 Protaktinium 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
Highly Toxic
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+
1,568.00 ° C
21
Boiling Point
1,470.00 ° C
99+
4,027.00 ° C
12
katon
State fisik
Solid
Solid
warna
Silver
Silver
luster
NA
metallic
atose
Mohs atose
3.00
12
ora Sumadhiya
Kacepetan swara
ora Sumadhiya
ora Sumadhiya
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
Pa
isotop
Isotop dikenal
20
19
27
12
keelektronegatifan
Pauling Elektronegativitas
1.30
32
1.50
27
Allred Rochow Elektronegativitas
1.20
27
1.14
28
Electropositivity
Pauling Electropositivity
2.70
22
2.50
27
tenogo ionisasi
Level Energy 1st
608.00 kJ / mol
99+
568.00 kJ / mol
99+
Level Energy 2
1,206.00 kJ / mol
99+
1,128.00 kJ / mol
99+
Level Energy 3rd
2,267.00 kJ / mol
99+
1,814.00 kJ / mol
99+
Level Energy 4
3,599.00 kJ / mol
99+
2,991.00 kJ / mol
99+
padha karo elektrokimia
3.12 g / amp-day
15
1.72 g / amp-day
99+
Fungsi Work elektron
ora Sumadhiya
ora Sumadhiya
Properties Kimia liyane
Corrosion, ionisasi, Isotop radioaktif, Radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif
atom Properties
Panggil atom
98
20
91
27
Konfigurasi elektron
[Rn] 5F 10 7s 2
[Rn] 5F 2 6D 1 7s 2
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Tetragonal (TETR)
Crystal pola
DHCP-Crystal-Structure-of-Californium.jpg#100
TETR-Crystal-Structure-of-Protactinium.jpg#100
atom
Jumlah proton
98
20
91
27
Jumlah Neutron
153
9
122
21
Jumlah Èlèktron
98
20
91
27
Radius saka Atom
Radius atom
186.00 pm
9
163.00 pm
25
kovalen Radius
ora Sumadhiya
200.00 pm
11
Van der Waals Radius
ora Sumadhiya
243.00 pm
11
Bobot atom
251.00 Amu
17
231.04 Amu
24
Volume atom
ora Sumadhiya
15.00 cm3 / mol
34
Nomer atom jejer
Potensi Valence Electron
44.50 (-eV)
38
92.00 (-eV)
11
Constant pola
338.00 pm
99+
392.50 pm
23
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
15.37 g / cm 3
20
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
situs kelenturan
Poisson rasio
ora Sumadhiya
ora Sumadhiya
Properties Teknik liyane
malleable, Sectile
Unknown
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
15.10
13
15.37
12
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Unknown
Arman
resistivity
ora Sumadhiya
177.00 nΩ · m
21
konduktivitas listrik
ora Sumadhiya
0.05 10 6 / cm Ω
34
termal Properties
Kalor tartamtu
ora Sumadhiya
0.12 J / (kg K)
40
Graham Kapasitas kalor
ora Sumadhiya
ora Sumadhiya
doyo termal
ora Sumadhiya
47.00 W / m · K
32
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
ora Sumadhiya
9.90 μm / (m · K)
40
enthalpy
Enthalpy saka Fusion
ora Sumadhiya
12.34 kJ / mol
28
Standard molar Entropy
ora Sumadhiya
198.10 J / mol.K
1
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