Lawrencium mungsuh californium
Tabel périodik
Symbol
Lr
Cf
Panggil Group
ora Sumadhiya
ora Sumadhiya
Panggil periode
7
7
Block
d block
pemblokiran f
Family unsur
actinide
actinide
CAS Number
22537195
15
7440713
20
Jeneng papan Group
ora Sumadhiya
P63 / mmc
Space Group Number
ora Sumadhiya
194.00
5
facts
Facts Interesting
- Punika sacara sintesis diprodhuksi logam.
- resiko radiation bisa gawé dening iku.
- Californium metal banget mbebayani lan Highly radioaktif.
- Californium logam punika logam abot.
sumber
Némbakaké californium-252 karo Boron inti, Found in Minerals, Mining
Digawe dening némbakaké Curium karo helium ion
History
sing katutup
Lawrence Berkeley National Laboratory and Joint Institute for Nuclear Research
Lawrence Berkeley National Laboratory
Discovery
ing 1961-1971
ing taun 1950
turah mbrawah
ulah
Ulah lan Wuku
- Efesus saiki dikenal saka logam Lawrencium sing winates kanggo riset waé mung.
- Californium logam emitter neutron kuwat banget. Kang digunakake minangka detector logam.
- Uga digunakake minangka pengenal kanggo mriksa banyu lan lapisan lenga ing sumur lenga.
Ulah Industrial
NA
Industri Kimia
Ulah Medical
NA
NA
Ulah liyane
NA
wesi, Nuclear Riset
Properties biologi
keracunan
Unknown
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
1,627.00 ° C
20
900.00 ° C
99+
Boiling Point
ora Sumadhiya
1,470.00 ° C
99+
katon
State fisik
Solid
Solid
warna
Silver
Silver
luster
Unknown Luster
NA
atose
Mohs atose
ora Sumadhiya
3.00
12
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
Lr
Cf
isotop
Isotop dikenal
10
28
20
19
keelektronegatifan
Pauling Elektronegativitas
ora Sumadhiya
1.30
32
Allred Rochow Elektronegativitas
ora Sumadhiya
1.20
27
Electropositivity
Pauling Electropositivity
ora Sumadhiya
2.70
22
tenogo ionisasi
Level Energy 1st
470.00 kJ / mol
99+
608.00 kJ / mol
99+
Level Energy 2
1,428.00 kJ / mol
99+
1,206.00 kJ / mol
99+
Level Energy 3rd
2,228.00 kJ / mol
99+
2,267.00 kJ / mol
99+
Level Energy 4
4,910.00 kJ / mol
21
3,599.00 kJ / mol
99+
padha karo elektrokimia
3.23 g / amp-day
11
3.12 g / amp-day
15
Fungsi Work elektron
ora Sumadhiya
ora Sumadhiya
Properties Kimia liyane
ionisasi, Isotop radioaktif
Corrosion, ionisasi, Isotop radioaktif, Radioaktif, kelarutan
atom Properties
Panggil atom
103
15
98
20
Konfigurasi elektron
[Rn] 5F 14 7s 2 7p 1
[Rn] 5F 10 7s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Double Hexagonal Tutup dikempalken (DHCP)
Crystal pola
BCC-Crystal-Structure-.jpg#100
DHCP-Crystal-Structure-of-Californium.jpg#100
atom
Jumlah proton
103
15
98
20
Jumlah Neutron
157
7
153
9
Jumlah Èlèktron
103
15
98
20
Radius saka Atom
Radius atom
ora Sumadhiya
186.00 pm
9
Van der Waals Radius
246.00 pm
8
ora Sumadhiya
Bobot atom
266.00 Amu
12
251.00 Amu
17
Volume atom
ora Sumadhiya
ora Sumadhiya
Nomer atom jejer
Potensi Valence Electron
ora Sumadhiya
44.50 (-eV)
38
Constant pola
ora Sumadhiya
338.00 pm
99+
pola Angles
NA
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
ora Sumadhiya
15.10 g / cm 3
21
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
situs kelenturan
Poisson rasio
0.32
12
ora Sumadhiya
Properties Teknik liyane
Unknown
malleable, Sectile
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
ora Sumadhiya
15.10
13
Nindakake Magnetic
Unknown
paramagnetic
Properties Listrik
termal Properties
Kalor tartamtu
ora Sumadhiya
ora Sumadhiya
Graham Kapasitas kalor
ora Sumadhiya
ora Sumadhiya
doyo termal
ora Sumadhiya
ora Sumadhiya
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
ora Sumadhiya
ora Sumadhiya
enthalpy
Standard molar Entropy
ora Sumadhiya
ora Sumadhiya
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