berkelium mungsuh polonium
Tabel périodik
Symbol
Bk
Po
Panggil Group
ora Sumadhiya
16
2
Panggil periode
7
6
Block
pemblokiran f
p pemblokiran
Family unsur
actinide
Transisi Post-
CAS Number
7440406
99+
7440086
99+
Jeneng papan Group
P63 / mmc
Pm-3M
Space Group Number
194.00
5
221.00
3
facts
Facts Interesting
- X-ray Diffraction- senyawa sing beda saka logam Berkelium sing dikenali nggunakake.
- komersial saka logam Berkelium sing durung ditemokake.
- Polonium unsur radioaktif sing pisanan ditemokaké.
- unsur polonium lan senyawa Highly radioaktif.
- Sawijining logam campuran karo Beryllium menehi sumber neutron.
sumber
Némbakaké Americium karo Alpha partikel.
Mining, Ores logam
History
sing katutup
Lawrence Berkeley National Laboratory
Pierre Curie and Marie Curie
Discovery
ing taun 1949
ing taun 1898
turah mbrawah
Turah mbrawah Ing Segara
ora Sumadhiya
0.00 %
99+
ulah
Ulah lan Wuku
- logam iki arang banget lan wis ora komersial.
- 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
NA
Industry Aerospace, Industry amunisi
Ulah Medical
NA
NA
Ulah liyane
NA
wesi
Properties biologi
keracunan
Unknown
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
986.00 ° C
99+
254.00 ° C
99+
Boiling Point
2,627.00 ° C
40
962.00 ° C
99+
katon
State fisik
Solid
Solid
warna
Silver
Silver
luster
metallic
NA
atose
Kacepetan swara
ora Sumadhiya
ora Sumadhiya
Properties Optical
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
Bk
Po
isotop
Isotop dikenal
14
25
29
10
keelektronegatifan
Pauling Elektronegativitas
1.30
32
2.00
7
Allred Rochow Elektronegativitas
1.20
27
1.76
2
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya
2.48
1
Allen Elektronegativitas
2.70
1
2.19
2
Electropositivity
Pauling Electropositivity
2.70
22
2.00
99+
tenogo ionisasi
Level Energy 1st
601.00 kJ / mol
99+
812.10 kJ / mol
14
Level Energy 2
1,186.00 kJ / mol
99+
ora Sumadhiya
Level Energy 3rd
2,152.00 kJ / mol
99+
ora Sumadhiya
Level Energy 4
3,434.00 kJ / mol
99+
ora Sumadhiya
padha karo elektrokimia
3.07 g / amp-day
16
3.90 g / amp-day
8
Fungsi Work elektron
ora Sumadhiya
ora Sumadhiya
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif
ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
97
21
84
32
Konfigurasi elektron
[Rn] 5F 9 7s 2
[Xe] 4F 14 5d 10 6s 2 6p 4
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Pénguapan (Mon)
Crystal pola
DHCP-Crystal-Structure-of-Berkelium.jpg#100
MON-Crystal-Structure-of-Polonium.jpg#100
atom
Jumlah proton
97
21
84
32
Jumlah Neutron
150
11
125
19
Jumlah Èlèktron
97
21
84
32
Radius saka Atom
Radius atom
170.00 pm
22
168.00 pm
23
kovalen Radius
ora Sumadhiya
140.00 pm
99+
Van der Waals Radius
ora Sumadhiya
197.00 pm
29
Bobot atom
247.00 Amu
18
209.00 Amu
28
Volume atom
ora Sumadhiya
22.23 cm3 / mol
13
Nomer atom jejer
Potensi Valence Electron
45.50 (-eV)
36
ora Sumadhiya
Constant pola
341.60 pm
99+
335.90 pm
99+
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
14.78 g / cm 3
22
9.20 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
13.25 g / cm3
11
9.40 g / cm3
19
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
14.00
14
9.32
31
Nindakake Magnetic
paramagnetic
nonmagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
ora Sumadhiya
0.40 nΩ · m
99+
konduktivitas listrik
ora Sumadhiya
0.02 10 6 / cm Ω
99+
elektron Affinity
ora Sumadhiya
183.30 kJ / mol
3
termal Properties
Kalor tartamtu
ora Sumadhiya
0.12 J / (kg K)
40
Graham Kapasitas kalor
ora Sumadhiya
26.40 J / mol · K
28
doyo termal
10.00 W / m · K
99+
20.00 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
ora Sumadhiya
23.50 μm / (m · K)
16
enthalpy
Enthalpy panguapan
ora Sumadhiya
60.30 kJ / mol
99+
Enthalpy saka Fusion
ora Sumadhiya
13.00 kJ / mol
26
Enthalpy saka atomization
ora Sumadhiya
134.00 kJ / mol
99+
Standard molar Entropy
ora Sumadhiya
ora Sumadhiya
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