mbandhingaké cerium lan neptunium
Tabel périodik
Symbol
Ce
Np
Panggil Group
ora Sumadhiya
ora Sumadhiya
Panggil periode
6
7
Block
pemblokiran f
pemblokiran f
Family unsur
lanthanide
actinide
CAS Number
7440451
99+
7439998
99+
Jeneng papan Group
P63 / mmc
Pnma
Space Group Number
194.00
5
62.00
11
facts
Facts Interesting
Character length exceed error
ora Cepak
sumber
Found in Minerals, Mining, Ores saka Minerals
Digawe dening némbakaké Uranium karo Neutron, Ores logam
History
sing katutup
Martin Heinrich Klaproth, Jöns Jakob Berzelius, Wilhelm Hisinger
Edwin McMillan and Philip H. Abelson
Discovery
ing 1803
ing taun 1940
turah mbrawah
Turah mbrawah Ing Universe
1 * 10-6 %
16
ora Sumadhiya
Turah mbrawah Ing Sun
~0.0000004 %
23
~-9999 %
Turah mbrawah Ing meteorit
0.00 %
27
ora Sumadhiya
Turah mbrawah Ing bumi lemah ndhuwur
0.01 %
18
ora Sumadhiya
Turah mbrawah Ing Segara
0.00 %
33
ora Sumadhiya
ulah
Ulah lan Wuku
- Kang digunakake kanggo kalebu flints kanggo korek rokok.
- Sawijining senyawa Cerium (Gerah) oksida digunakake minangka katalis; sijine nang tembok saka open minangka ngalangi saka buildup saka ampas masak.
- Efesus saiki dikenal saka logam Neptunium sing winates kanggo riset waé mung.
- Neptunium kang isotop neptunium-237 digunakake minangka neutron detektor.
Ulah Industrial
Industri Kimia
NA
Ulah Medical
Medical Research
NA
Ulah liyane
wesi
wesi, Nuclear Riset, tujuan Research
Properties biologi
keracunan
arep Toxic
Toxic
Saiki ing badan Human
Ya
Ora
Sang
0.00 Sang / mg dm-3
30
0.00 Sang / mg dm-3
37
ing Bone
2.70 ppm
14
0.00 ppm
36
fisik Properties
leleh Point
795.00 ° C
99+
640.00 ° C
99+
Boiling Point
3,257.00 ° C
23
3,902.00 ° C
13
katon
State fisik
Solid
Solid
warna
perak Putih
Silver
luster
lustrous
metallic
atose
Mohs atose
2.50
14
ora Sumadhiya
Brinell atose
186.00 MPa
99+
ora Sumadhiya
Vickers atose
210.00 MPa
32
ora Sumadhiya
Kacepetan swara
2,100.00 m / s
99+
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
Ce
Np
isotop
Isotop dikenal
30
9
20
19
keelektronegatifan
Pauling Elektronegativitas
1.12
99+
1.36
29
Allred Rochow Elektronegativitas
1.08
31
1.22
26
Electropositivity
Pauling Electropositivity
2.88
11
2.64
25
tenogo ionisasi
Level Energy 1st
534.40 kJ / mol
99+
604.50 kJ / mol
99+
Level Energy 2
1,050.00 kJ / mol
99+
1,128.00 kJ / mol
99+
Level Energy 3rd
1,949.00 kJ / mol
99+
1,997.00 kJ / mol
99+
Level Energy 4
3,547.00 kJ / mol
99+
3,242.00 kJ / mol
99+
Level Energy 5th
6,325.00 kJ / mol
22
ora Sumadhiya
Level Energy 6th
7,490.00 kJ / mol
21
ora Sumadhiya
padha karo elektrokimia
1.74 g / amp-day
99+
1.77 g / amp-day
39
Fungsi Work elektron
2.84 eV
39
ora Sumadhiya
Properties Kimia liyane
Kimia Stabilitas, anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
atom Properties
Panggil atom
58
99+
93
25
Konfigurasi elektron
[Xe] 4F 1 5d 1 6s 2
[Rn] 5F 4 6D 1 7s 2
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Orthorhombic (Orth)
Crystal pola
DHCP-Crystal-Structure-of-Cerium.jpg#100
ORTH-Crystal-Structure-of-Neptunium.jpg#100
atom
Jumlah proton
58
99+
93
25
Jumlah Neutron
82
99+
144
14
Jumlah Èlèktron
58
99+
93
25
Radius saka Atom
Radius atom
181.80 pm
12
155.00 pm
30
kovalen Radius
204.00 pm
8
190.00 pm
18
Van der Waals Radius
235.00 pm
17
221.00 pm
22
Bobot atom
140.12 Amu
99+
237.00 Amu
22
Volume atom
20.67 cm3 / mol
17
11.62 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
41.78 (-eV)
99+
96.00 (-eV)
9
Constant pola
362.00 pm
34
666.30 pm
3
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
ora Sumadhiya
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Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
6.77 g / cm 3
99+
19.38 g / cm 3
14
Kapadhetan Nalika Liquid (ing mp)
6.55 g / cm3
38
ora Sumadhiya
Strength tensile
ora Sumadhiya
125.00 MPa
14
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)
34
ora Sumadhiya
Meksa beluk ing 2000 K
1.04 (Pa)
13
0.11 (Pa)
17
situs kelenturan
nyukur pengaturan
13.50 GPA
99+
ora Sumadhiya
pengaturan akeh
21.50 GPA
99+
ora Sumadhiya
Young kang pengaturan
33.60 GPA
99+
ora Sumadhiya
Poisson rasio
0.24
27
ora Sumadhiya
Properties Teknik liyane
ductile, malleable
ductile
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
6.77
99+
20.25
6
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
828.00 nΩ · m
3
1.22 nΩ · m
99+
konduktivitas listrik
0.01 10 6 / cm Ω
99+
0.01 10 6 / cm Ω
99+
elektron Affinity
50.00 kJ / mol
21
ora Sumadhiya
termal Properties
Kalor tartamtu
0.19 J / (kg K)
32
0.12 J / (kg K)
40
Graham Kapasitas kalor
26.94 J / mol · K
23
29.46 J / mol · K
8
doyo termal
11.30 W / m · K
99+
6.30 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
6.30 μm / (m · K)
99+
ora Sumadhiya
enthalpy
Enthalpy panguapan
414.00 kJ / mol
16
ora Sumadhiya
Enthalpy saka Fusion
5.46 kJ / mol
99+
3.20 kJ / mol
99+
Enthalpy saka atomization
381.00 kJ / mol
23
ora Sumadhiya
Standard molar Entropy
72.00 J / mol.K
12
ora Sumadhiya
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