tantalum mungsuh polonium
Tabel périodik
Symbol
Ta
Po
Panggil Group
5
13
16
2
Panggil periode
6
6
Block
d block
p pemblokiran
Family unsur
transisi Metal
Transisi Post-
CAS Number
7440257
99+
7440086
99+
Jeneng papan Group
3M Im_
Pm-3M
Space Group Number
229.00
1
221.00
3
facts
Facts Interesting
- Tantalum logam dikenal minangka resistance karat.
- Tantalum logam bisa gampang fabricated lan Punika dirijen apik saka panas lan listrik.
- Polonium unsur radioaktif sing pisanan ditemokaké.
- unsur polonium lan senyawa Highly radioaktif.
- Sawijining logam campuran karo Beryllium menehi sumber neutron.
sumber
Found in Minerals, Mining, Ores saka Minerals
Mining, Ores logam
History
sing katutup
Anders Gustaf Ekeberg
Pierre Curie and Marie Curie
Discovery
ing taun 1802
ing taun 1898
turah mbrawah
Turah mbrawah Ing Universe
8 * 10-9 %
31
ora Sumadhiya
Turah mbrawah Ing meteorit
0.00 %
99+
ora Sumadhiya
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
37
ora Sumadhiya
Turah mbrawah Ing Segara
0.00 %
31
0.00 %
99+
ulah
Ulah lan Wuku
Character length exceed error
- Polonium logam allotropes beda, kang digunakake ing piranti antistatic lan kanggo riset waé.
- A 1 gram saka Polonium bisa tekan suhu 500 ° C, Empu kang digunakake minangka sumber panas kanggo peralatan papan.
Ulah Industrial
Industry Listrik, Industry Elektronik
Industry Aerospace, Industry amunisi
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi
Properties biologi
keracunan
Low Toxic
Highly Toxic
Saiki ing badan Human
Ya
Ora
Sang
ora Sumadhiya
0.00 Sang / mg dm-3
37
ing Bone
0.03 ppm
28
0.00 ppm
36
fisik Properties
leleh Point
2,996.00 ° C
4
254.00 ° C
99+
Boiling Point
5,425.00 ° C
4
962.00 ° C
99+
katon
State fisik
Solid
Solid
warna
Gray Blue
Silver
luster
metallic
NA
atose
Mohs atose
6.50
5
ora Sumadhiya
Brinell atose
440.00 MPa
28
ora Sumadhiya
Vickers atose
870.00 MPa
12
ora Sumadhiya
Kacepetan swara
3,400.00 m / s
22
ora Sumadhiya
Properties Optical
reflectivity
78.00 %
6
ora Sumadhiya
allotropes
Ora
Ya
α allotropes
ora Sumadhiya
α-polonium
β allotropes
ora Sumadhiya
β-polonium
γ allotropes
ora Sumadhiya
ora Sumadhiya
Kimia Properties
Formula Kimia
Ta
Po
isotop
Isotop dikenal
31
8
29
10
keelektronegatifan
Pauling Elektronegativitas
1.50
27
2.00
7
Allred Rochow Elektronegativitas
1.33
22
1.76
2
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya
2.48
1
Allen Elektronegativitas
1.34
33
2.19
2
Electropositivity
Pauling Electropositivity
2.50
27
2.00
99+
tenogo ionisasi
Level Energy 1st
761.00 kJ / mol
18
812.10 kJ / mol
14
Level Energy 2
1,500.00 kJ / mol
40
ora Sumadhiya
padha karo elektrokimia
1.35 g / amp-day
99+
3.90 g / amp-day
8
Fungsi Work elektron
4.25 eV
21
ora Sumadhiya
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif, Radioaktif, kelarutan
ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
73
99+
84
32
Konfigurasi elektron
[Xe] 4F 14 5d 3 6s 2
[Xe] 4F 14 5d 10 6s 2 6p 4
Struktur Crystal
Body tengah kubik (Bcc)
Pénguapan (Mon)
Crystal pola
BCC-Crystal-Structure-.jpg#100
MON-Crystal-Structure-of-Polonium.jpg#100
atom
Jumlah proton
73
99+
84
32
Jumlah Neutron
108
28
125
19
Jumlah Èlèktron
73
99+
84
32
Radius saka Atom
Radius atom
146.00 pm
35
168.00 pm
23
kovalen Radius
170.00 pm
25
140.00 pm
99+
Van der Waals Radius
200.00 pm
28
197.00 pm
29
Bobot atom
180.95 Amu
38
209.00 Amu
28
Volume atom
10.90 cm3 / mol
99+
22.23 cm3 / mol
13
Nomer atom jejer
Potensi Valence Electron
110.00 (-eV)
7
ora Sumadhiya
Constant pola
330.13 pm
99+
335.90 pm
99+
pola Angles
π/2, π/2, π/2
π/2, π/2, π/2
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
16.69 g / cm 3
18
9.20 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
15.00 g / cm3
9
9.40 g / cm3
19
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 2000 K
0.00 (Pa)
31
ora Sumadhiya
situs kelenturan
nyukur pengaturan
69.00 GPA
13
ora Sumadhiya
pengaturan akeh
200.00 GPA
8
ora Sumadhiya
Young kang pengaturan
186.00 GPA
13
ora Sumadhiya
Poisson rasio
0.34
10
ora Sumadhiya
Properties Teknik liyane
ductile
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
16.65
11
9.32
31
Nindakake Magnetic
paramagnetic
nonmagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
131.00 nΩ · m
25
0.40 nΩ · m
99+
konduktivitas listrik
0.08 10 6 / cm Ω
27
0.02 10 6 / cm Ω
99+
elektron Affinity
31.00 kJ / mol
29
183.30 kJ / mol
3
termal Properties
Kalor tartamtu
0.14 J / (kg K)
37
0.12 J / (kg K)
40
Graham Kapasitas kalor
25.36 J / mol · K
99+
26.40 J / mol · K
28
doyo termal
57.50 W / m · K
27
20.00 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
6.30 μm / (m · K)
99+
23.50 μm / (m · K)
16
enthalpy
Enthalpy panguapan
753.10 kJ / mol
2
60.30 kJ / mol
99+
Enthalpy saka Fusion
31.40 kJ / mol
3
13.00 kJ / mol
26
Enthalpy saka atomization
782.00 kJ / mol
3
134.00 kJ / mol
99+
Standard molar Entropy
41.50 J / mol.K
37
ora Sumadhiya
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