Radium mungsuh Nobelium
Tabel périodik
Symbol
Ra
No
Panggil Group
2
16
ora Sumadhiya
Panggil periode
7
7
Block
s pemblokiran
pemblokiran f
Family unsur
alkalin bumi
actinide
CAS Number
7440144
99+
10028145
16
Jeneng papan Group
3M Im_
ora Sumadhiya
Space Group Number
229.00
1
ora Sumadhiya
facts
Facts Interesting
- metal Radium punika logam abot saka Alkaline logam bumi asli.
- Radium logam punika Highly radioaktif lan ora duwe tengen mangiwa.
- Isotop kang paling stabil saka logam Nobelium punika No-259.
- Ora-259 wis setengah gesang sèket wolu menit.
sumber
Mining, Ores logam
Némbakaké Curium-246 utawa Curium-249 karo Carbon-12 inti, Found in Minerals, Mining
History
sing katutup
Not Available
Joint Institute for Nuclear Research
Discovery
ing taun 1898
ing taun 1966
turah mbrawah
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
99+
ora Sumadhiya
Turah mbrawah Ing Segara
0.00 %
99+
ora Sumadhiya
Turah mbrawah Ing Manungsa
0.00 %
20
ora Sumadhiya
ulah
Ulah lan Wuku
- Punika logam Highly radioaktif; lan arang-arang Radium-223 digunakake kanggo nambani kanker prostat.
- Kang digunakake ing cat cetha.
- Efesus saiki dikenal saka logam Nobelium sing winates kanggo riset waé mung.
Ulah Industrial
NA
NA
Ulah Medical
Industry Pharmaceutical
NA
Ulah liyane
NA
tujuan Research
Properties biologi
keracunan
Highly Toxic
Unknown
Saiki ing badan Human
Ora
Ora
Sang
ora Sumadhiya
0.00 Sang / mg dm-3
37
ing Bone
ora Sumadhiya
0.00 ppm
36
fisik Properties
leleh Point
700.00 ° C
99+
827.00 ° C
99+
Boiling Point
1,737.00 ° C
99+
ora Sumadhiya
katon
State fisik
Solid
Solid
warna
perak Putih
Unknown
luster
metallic
Unknown Luster
atose
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
Ra
No
isotop
Isotop dikenal
33
6
13
26
keelektronegatifan
Pauling Elektronegativitas
0.90
99+
1.30
32
Allred Rochow Elektronegativitas
0.97
38
1.20
27
Mulliken-Jaffe Elektronegativitas
0.92
20
ora Sumadhiya
Allen Elektronegativitas
0.89
99+
ora Sumadhiya
Electropositivity
Pauling Electropositivity
3.10
5
2.70
22
tenogo ionisasi
Level Energy 1st
509.30 kJ / mol
99+
642.00 kJ / mol
99+
Level Energy 2
979.00 kJ / mol
99+
1,254.00 kJ / mol
99+
Level Energy 3rd
ora Sumadhiya
2,643.00 kJ / mol
99+
Level Energy 4
ora Sumadhiya
3,956.00 kJ / mol
39
padha karo elektrokimia
4.22 g / amp-day
6
4.83 g / amp-day
4
Fungsi Work elektron
ora Sumadhiya
ora Sumadhiya
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif
ionisasi, Isotop radioaktif, Radioaktif
atom Properties
Panggil atom
88
30
102
16
Konfigurasi elektron
[Rn] 7s 2
[Rn] 5F 14 7s 2
Struktur Crystal
Body tengah kubik (Bcc)
ora Lake
Crystal pola
BCC-Crystal-Structure-.jpg#100
Unknown-Crystal-Structure-of-Nobelium.jpg#100
atom
Jumlah proton
88
30
102
16
Jumlah Neutron
138
16
157
7
Jumlah Èlèktron
88
30
102
16
Radius saka Atom
kovalen Radius
221.00 pm
3
ora Sumadhiya
Van der Waals Radius
283.00 pm
4
246.00 pm
8
Bobot atom
226.00 Amu
26
259.00 Amu
13
Volume atom
45.20 cm3 / mol
4
ora Sumadhiya
Nomer atom jejer
Potensi Valence Electron
20.10 (-eV)
99+
26.00 (-eV)
99+
Constant pola
514.80 pm
13
ora Sumadhiya
pola Angles
π/2, π/2, π/2
NA
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
5.50 g / cm 3
99+
ora Sumadhiya
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
situs kelenturan
Poisson rasio
ora Sumadhiya
ora Sumadhiya
Properties Teknik liyane
NA
Unknown
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
5.00
99+
ora Sumadhiya
Nindakake Magnetic
nonmagnetic
Unknown
Properties Listrik
Property Listrik
NA
Unknown
resistivity
100.00 nΩ · m
31
ora Sumadhiya
termal Properties
Kalor tartamtu
0.12 J / (kg K)
40
ora Sumadhiya
Graham Kapasitas kalor
ora Sumadhiya
ora Sumadhiya
doyo termal
18.60 W / m · K
99+
ora Sumadhiya
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
ora Sumadhiya
ora Sumadhiya
enthalpy
Enthalpy saka atomization
163.00 kJ / mol
99+
ora Sumadhiya
Standard molar Entropy
71.00 J / mol.K
14
ora Sumadhiya
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