polonium mungsuh berkelium
Tabel périodik
Symbol
Po
Bk
Panggil Group
16
2
ora Sumadhiya
Panggil periode
6
7
Block
p pemblokiran
pemblokiran f
Family unsur
Transisi Post-
actinide
CAS Number
7440086
99+
7440406
99+
Jeneng papan Group
Pm-3M
P63 / mmc
Space Group Number
221.00
3
194.00
5
facts
Facts Interesting
- Polonium unsur radioaktif sing pisanan ditemokaké.
- unsur polonium lan senyawa Highly radioaktif.
- Sawijining logam campuran karo Beryllium menehi sumber neutron.
- X-ray Diffraction- senyawa sing beda saka logam Berkelium sing dikenali nggunakake.
- komersial saka logam Berkelium sing durung ditemokake.
sumber
Mining, Ores logam
Némbakaké Americium karo Alpha partikel.
History
sing katutup
Pierre Curie and Marie Curie
Lawrence Berkeley National Laboratory
Discovery
ing taun 1898
ing taun 1949
turah mbrawah
Turah mbrawah Ing Segara
0.00 %
99+
ora Sumadhiya
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.
- logam iki arang banget lan wis ora komersial.
Ulah Industrial
Industry Aerospace, Industry amunisi
NA
Ulah Medical
NA
NA
Ulah liyane
wesi
NA
Properties biologi
keracunan
Highly Toxic
Unknown
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+
986.00 ° C
99+
Boiling Point
962.00 ° C
99+
2,627.00 ° C
40
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
Bk
isotop
Isotop dikenal
29
10
14
25
keelektronegatifan
Pauling Elektronegativitas
2.00
7
1.30
32
Allred Rochow Elektronegativitas
1.76
2
1.20
27
Mulliken-Jaffe Elektronegativitas
2.48
1
ora Sumadhiya
Allen Elektronegativitas
2.19
2
2.70
1
Electropositivity
Pauling Electropositivity
2.00
99+
2.70
22
tenogo ionisasi
Level Energy 1st
812.10 kJ / mol
14
601.00 kJ / mol
99+
Level Energy 2
ora Sumadhiya
1,186.00 kJ / mol
99+
Level Energy 3rd
ora Sumadhiya
2,152.00 kJ / mol
99+
Level Energy 4
ora Sumadhiya
3,434.00 kJ / mol
99+
padha karo elektrokimia
3.90 g / amp-day
8
3.07 g / amp-day
16
Fungsi Work elektron
ora Sumadhiya
ora Sumadhiya
Properties Kimia liyane
ionisasi, Isotop radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif
atom Properties
Panggil atom
84
32
97
21
Konfigurasi elektron
[Xe] 4F 14 5d 10 6s 2 6p 4
[Rn] 5F 9 7s 2
Struktur Crystal
Pénguapan (Mon)
Double Hexagonal Tutup dikempalken (DHCP)
Crystal pola
MON-Crystal-Structure-of-Polonium.jpg#100
DHCP-Crystal-Structure-of-Berkelium.jpg#100
atom
Jumlah proton
84
32
97
21
Jumlah Neutron
125
19
150
11
Jumlah Èlèktron
84
32
97
21
Radius saka Atom
Radius atom
168.00 pm
23
170.00 pm
22
kovalen Radius
140.00 pm
99+
ora Sumadhiya
Van der Waals Radius
197.00 pm
29
ora Sumadhiya
Bobot atom
209.00 Amu
28
247.00 Amu
18
Volume atom
22.23 cm3 / mol
13
ora Sumadhiya
Nomer atom jejer
Potensi Valence Electron
ora Sumadhiya
45.50 (-eV)
36
Constant pola
335.90 pm
99+
341.60 pm
99+
pola Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
9.20 g / cm 3
99+
14.78 g / cm 3
22
Kapadhetan Nalika Liquid (ing mp)
9.40 g / cm3
19
13.25 g / cm3
11
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
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
9.32
31
14.00
14
Nindakake Magnetic
nonmagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
0.40 nΩ · m
99+
ora Sumadhiya
konduktivitas listrik
0.02 10 6 / cm Ω
99+
ora Sumadhiya
elektron Affinity
183.30 kJ / mol
3
ora Sumadhiya
termal Properties
Kalor tartamtu
0.12 J / (kg K)
40
ora Sumadhiya
Graham Kapasitas kalor
26.40 J / mol · K
28
ora Sumadhiya
doyo termal
20.00 W / m · K
99+
10.00 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
23.50 μm / (m · K)
16
ora Sumadhiya
enthalpy
Enthalpy panguapan
60.30 kJ / mol
99+
ora Sumadhiya
Enthalpy saka Fusion
13.00 kJ / mol
26
ora Sumadhiya
Enthalpy saka atomization
134.00 kJ / mol
99+
ora Sumadhiya
Standard molar Entropy
ora Sumadhiya
ora Sumadhiya
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