mbandhingaké polonium lan Curium
Tabel périodik
Symbol
Po
Cm
Panggil Group
16
2
ora Sumadhiya
Panggil periode
6
7
Block
p pemblokiran
pemblokiran f
Family unsur
Transisi Post-
actinide
CAS Number
7440086
99+
7440519
36
Jeneng papan Group
Pm-3M
ora Sumadhiya
Space Group Number
221.00
3
ora Sumadhiya
facts
Facts Interesting
- Polonium unsur radioaktif sing pisanan ditemokaké.
- unsur polonium lan senyawa Highly radioaktif.
- Sawijining logam campuran karo Beryllium menehi sumber neutron.
- metal Curium ora kelakon free ing alam.
- metal Curium logam sintetik diprodhuksi.
sumber
Mining, Ores logam
Némbakaké Plutonium karo helium ion
History
sing katutup
Pierre Curie and Marie Curie
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso
Discovery
ing taun 1898
ing 1944
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.
- metal Curium digunakake kanggo nyedhiyani daya kanggo peralatan listrik kanggo papan misi.
Ulah Industrial
Industry Aerospace, Industry amunisi
NA
Ulah Medical
NA
NA
Ulah liyane
wesi
tujuan Research
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+
1,340.00 ° C
34
Boiling Point
962.00 ° C
99+
3,110.00 ° C
30
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
Cm
isotop
Isotop dikenal
29
10
15
24
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
ora Sumadhiya
Electropositivity
Pauling Electropositivity
2.00
99+
2.70
22
tenogo ionisasi
Level Energy 1st
812.10 kJ / mol
14
581.00 kJ / mol
99+
Level Energy 2
ora Sumadhiya
1,196.00 kJ / mol
99+
Level Energy 3rd
ora Sumadhiya
2,026.00 kJ / mol
99+
Level Energy 4
ora Sumadhiya
3,550.00 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
atom Properties
Panggil atom
84
32
96
22
Konfigurasi elektron
[Xe] 4F 14 5d 10 6s 2 6p 4
[Rn] 5F 7 6D 1 7s 2
Struktur Crystal
Pénguapan (Mon)
Double Hexagonal Tutup dikempalken (DHCP)
Crystal pola
MON-Crystal-Structure-of-Polonium.jpg#100
DHCP-Crystal-Structure-of-Curium.jpg#100
atom
Jumlah proton
84
32
96
22
Jumlah Neutron
125
19
151
10
Jumlah Èlèktron
84
32
96
22
Radius saka Atom
Radius atom
168.00 pm
23
174.00 pm
20
kovalen Radius
140.00 pm
99+
169.00 pm
26
Van der Waals Radius
197.00 pm
29
200.00 pm
28
Bobot atom
209.00 Amu
28
247.00 Amu
18
Volume atom
22.23 cm3 / mol
13
18.28 cm3 / mol
26
Nomer atom jejer
Potensi Valence Electron
ora Sumadhiya
44.50 (-eV)
38
Constant pola
335.90 pm
99+
ora Sumadhiya
pola Angles
π/2, π/2, π/2
NA
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
9.20 g / cm 3
99+
13.51 g / cm 3
25
Kapadhetan Nalika Liquid (ing mp)
9.40 g / cm3
19
13.85 g / cm3
10
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
13.51
17
Nindakake Magnetic
nonmagnetic
Antiferromagnetic
Properties Listrik
Property Listrik
Arman
Unknown
resistivity
0.40 nΩ · m
99+
1.25 nΩ · m
99+
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+
ora Sumadhiya
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
15.00 kJ / mol
21
Enthalpy saka atomization
134.00 kJ / mol
99+
ora Sumadhiya
Standard molar Entropy
ora Sumadhiya
ora Sumadhiya
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