polonium mungsuh Protaktinium
Tabel périodik
Symbol
Po
Pa
Panggil Group
16
2
ora Sumadhiya
Panggil periode
6
7
Block
p pemblokiran
pemblokiran f
Family unsur
Transisi Post-
actinide
CAS Number
7440086
99+
7440133
99+
Jeneng papan Group
Pm-3M
I4 / mmm
Space Group Number
221.00
3
139.00
8
facts
Facts Interesting
- Polonium unsur radioaktif sing pisanan ditemokaké.
- unsur polonium lan senyawa Highly radioaktif.
- Sawijining logam campuran karo Beryllium menehi sumber neutron.
- metal Protaktinium wis 29 isotop.
- Isotop saka Protaktinium-231 digunakake ing gegaman nuklir.
sumber
Mining, Ores logam
Found in Ores Uranium, Mining, Ores logam
History
sing katutup
Pierre Curie and Marie Curie
William Crookes
Discovery
ing taun 1898
ing taun 1900
turah mbrawah
Turah mbrawah Ing bumi lemah ndhuwur
ora Sumadhiya
0.00 %
99+
Turah mbrawah Ing Segara
0.00 %
99+
0.00 %
99+
ulah
Ulah lan Wuku
- 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.
- Efesus saiki dikenal saka logam Protaktinium sing winates kanggo riset waé mung.
Ulah Industrial
Industry Aerospace, Industry amunisi
NA
Ulah Medical
NA
NA
Ulah liyane
wesi
NA
Properties biologi
keracunan
Highly Toxic
Highly 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
254.00 ° C
99+
1,568.00 ° C
21
Boiling Point
962.00 ° C
99+
4,027.00 ° C
12
katon
State fisik
Solid
Solid
warna
Silver
Silver
luster
NA
metallic
atose
Kacepetan swara
ora Sumadhiya
ora Sumadhiya
Properties Optical
allotropes
Ya
Ora
α allotropes
α-polonium
ora Sumadhiya
β allotropes
β-polonium
ora Sumadhiya
γ allotropes
ora Sumadhiya
ora Sumadhiya
Kimia Properties
Formula Kimia
Po
Pa
isotop
Isotop dikenal
29
10
27
12
keelektronegatifan
Pauling Elektronegativitas
2.00
7
1.50
27
Allred Rochow Elektronegativitas
1.76
2
1.14
28
Mulliken-Jaffe Elektronegativitas
2.48
1
ora Sumadhiya
Allen Elektronegativitas
2.19
2
ora Sumadhiya
Electropositivity
Pauling Electropositivity
2.00
99+
2.50
27
tenogo ionisasi
Level Energy 1st
812.10 kJ / mol
14
568.00 kJ / mol
99+
Level Energy 2
ora Sumadhiya
1,128.00 kJ / mol
99+
Level Energy 3rd
ora Sumadhiya
1,814.00 kJ / mol
99+
Level Energy 4
ora Sumadhiya
2,991.00 kJ / mol
99+
padha karo elektrokimia
3.90 g / amp-day
8
1.72 g / amp-day
99+
Fungsi Work elektron
ora Sumadhiya
ora Sumadhiya
Properties Kimia liyane
ionisasi, Isotop radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif
atom Properties
Panggil atom
84
32
91
27
Konfigurasi elektron
[Xe] 4F 14 5d 10 6s 2 6p 4
[Rn] 5F 2 6D 1 7s 2
Struktur Crystal
Pénguapan (Mon)
Tetragonal (TETR)
Crystal pola
MON-Crystal-Structure-of-Polonium.jpg#100
TETR-Crystal-Structure-of-Protactinium.jpg#100
atom
Jumlah proton
84
32
91
27
Jumlah Neutron
125
19
122
21
Jumlah Èlèktron
84
32
91
27
Radius saka Atom
Radius atom
168.00 pm
23
163.00 pm
25
kovalen Radius
140.00 pm
99+
200.00 pm
11
Van der Waals Radius
197.00 pm
29
243.00 pm
11
Bobot atom
209.00 Amu
28
231.04 Amu
24
Volume atom
22.23 cm3 / mol
13
15.00 cm3 / mol
34
Nomer atom jejer
Potensi Valence Electron
ora Sumadhiya
92.00 (-eV)
11
Constant pola
335.90 pm
99+
392.50 pm
23
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
9.20 g / cm 3
99+
15.37 g / cm 3
20
Kapadhetan Nalika Liquid (ing mp)
9.40 g / cm3
19
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
9.32
31
15.37
12
Nindakake Magnetic
nonmagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
0.40 nΩ · m
99+
177.00 nΩ · m
21
konduktivitas listrik
0.02 10 6 / cm Ω
99+
0.05 10 6 / cm Ω
34
elektron Affinity
183.30 kJ / mol
3
ora Sumadhiya
termal Properties
Kalor tartamtu
0.12 J / (kg K)
40
0.12 J / (kg K)
40
Graham Kapasitas kalor
26.40 J / mol · K
28
ora Sumadhiya
doyo termal
20.00 W / m · K
99+
47.00 W / m · K
32
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
23.50 μm / (m · K)
16
9.90 μm / (m · K)
40
enthalpy
Enthalpy panguapan
60.30 kJ / mol
99+
ora Sumadhiya
Enthalpy saka Fusion
13.00 kJ / mol
26
12.34 kJ / mol
28
Enthalpy saka atomization
134.00 kJ / mol
99+
ora Sumadhiya
Standard molar Entropy
ora Sumadhiya
198.10 J / mol.K
1
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