californium mungsuh Actinium
Tabel périodik
Symbol
Cf
Ac
Panggil Group
ora Sumadhiya
ora Sumadhiya
Panggil periode
7
7
Block
pemblokiran f
pemblokiran f
Family unsur
actinide
actinide
CAS Number
7440713
20
7440348
99+
Jeneng papan Group
P63 / mmc
Fm_ 3M
Space Group Number
194.00
5
225.00
2
facts
Facts Interesting
- Californium metal banget mbebayani lan Highly radioaktif.
- Californium logam punika logam abot.
ora Cepak
sumber
Digawe dening némbakaké Curium karo helium ion
Dijupuk dening Nambani Radium karo Neutron, Ores logam
History
sing katutup
Lawrence Berkeley National Laboratory
Friedrich Oskar Giesel
Discovery
ing taun 1950
ing taun 1902
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 Actinium wis sumber sinar alfa nanging ora dienggo njaba riset waé.
Ulah Industrial
Industri Kimia
NA
Ulah Medical
NA
NA
Ulah liyane
wesi, Nuclear Riset
wesi, Nuclear Riset, tujuan Research
Properties biologi
keracunan
Toxic
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+
1,227.00 ° C
38
Boiling Point
1,470.00 ° C
99+
3,200.00 ° C
26
katon
State fisik
Solid
Solid
warna
Silver
perak Putih
luster
NA
NA
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
Ac
isotop
Isotop dikenal
20
19
29
10
keelektronegatifan
Pauling Elektronegativitas
1.30
32
1.10
99+
Allred Rochow Elektronegativitas
1.20
27
1.00
36
Electropositivity
Pauling Electropositivity
2.70
22
2.90
10
tenogo ionisasi
Level Energy 1st
608.00 kJ / mol
99+
499.00 kJ / mol
99+
Level Energy 2
1,206.00 kJ / mol
99+
1,170.00 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+
4,700.00 kJ / mol
23
padha karo elektrokimia
3.12 g / amp-day
15
2.82 g / amp-day
18
Fungsi Work elektron
ora Sumadhiya
ora Sumadhiya
Properties Kimia liyane
Corrosion, ionisasi, Isotop radioaktif, Radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
atom Properties
Panggil atom
98
20
89
29
Konfigurasi elektron
[Rn] 5F 10 7s 2
[Rn] 6D 1 7s 2
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Face tengah kubik (FCC)
Crystal pola
DHCP-Crystal-Structure-of-Californium.jpg#100
FCC-Crystal-Structure-of-Actinium.jpg#100
atom
Jumlah proton
98
20
89
29
Jumlah Neutron
153
9
138
16
Jumlah Èlèktron
98
20
89
29
Radius saka Atom
Radius atom
186.00 pm
9
195.00 pm
7
Bobot atom
251.00 Amu
17
227.00 Amu
25
Volume atom
ora Sumadhiya
22.54 cm3 / mol
11
Nomer atom jejer
Potensi Valence Electron
44.50 (-eV)
38
38.60 (-eV)
99+
Constant pola
338.00 pm
99+
567.00 pm
8
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
10.00 g / cm 3
37
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
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
15.10
13
10.07
28
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
termal Properties
Kalor tartamtu
ora Sumadhiya
0.12 J / (kg K)
40
Graham Kapasitas kalor
ora Sumadhiya
27.20 J / mol · K
18
doyo termal
ora Sumadhiya
12.00 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
ora Sumadhiya
ora Sumadhiya
enthalpy
Enthalpy saka atomization
ora Sumadhiya
301.00 kJ / mol
36
Standard molar Entropy
ora Sumadhiya
56.50 J / mol.K
25
|
||
|
||
|
