Francium mungsuh polonium
Tabel périodik
Symbol
Fr
Po
Panggil Group
1
17
16
2
Panggil periode
7
6
Block
s pemblokiran
p pemblokiran
Family unsur
alkali
Transisi Post-
CAS Number
7440735
18
7440086
99+
Jeneng papan Group
ora Sumadhiya
Pm-3M
Space Group Number
ora Sumadhiya
221.00
3
facts
Facts Interesting
- 223 Francium wis setengah urip paling dawa ing 21,8.
- Metal Francium diprodhuksi dening ALPHA bosok ing 227 Actinium 227.
- Polonium unsur radioaktif sing pisanan ditemokaké.
- unsur polonium lan senyawa Highly radioaktif.
- Sawijining logam campuran karo Beryllium menehi sumber neutron.
sumber
Kawangun dening Process Bosok, Mining
Mining, Ores logam
History
sing katutup
Marguerite Perey
Pierre Curie and Marie Curie
Discovery
ing taun 1939
ing taun 1898
turah mbrawah
Turah mbrawah Ing Segara
ora Sumadhiya
0.00 %
99+
ulah
Ulah lan Wuku
- Francium ora wis dikenal Efesus minangka wis urip setengah saka mung 22 menit.
- 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
NA
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
27.00 ° C
99+
254.00 ° C
99+
Boiling Point
677.00 ° C
99+
962.00 ° C
99+
katon
State fisik
Solid
Solid
warna
NA
Silver
luster
NA
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
Fr
Po
isotop
Isotop dikenal
33
6
29
10
keelektronegatifan
Pauling Elektronegativitas
0.70
99+
2.00
7
Allred Rochow Elektronegativitas
0.86
99+
1.76
2
Mulliken-Jaffe Elektronegativitas
0.68
25
2.48
1
Allen Elektronegativitas
0.67
99+
2.19
2
Electropositivity
Pauling Electropositivity
3.30
1
2.00
99+
tenogo ionisasi
Level Energy 1st
380.00 kJ / mol
99+
812.10 kJ / mol
14
padha karo elektrokimia
8.32 g / amp-day
1
3.90 g / amp-day
8
Fungsi Work elektron
ora Sumadhiya
ora Sumadhiya
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
87
31
84
32
Konfigurasi elektron
[Rn] 7s 1
[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
87
31
84
32
Jumlah Neutron
136
17
125
19
Jumlah Èlèktron
87
31
84
32
Radius saka Atom
Radius atom
ora Sumadhiya
168.00 pm
23
kovalen Radius
260.00 pm
1
140.00 pm
99+
Van der Waals Radius
348.00 pm
1
197.00 pm
29
Bobot atom
223.00 Amu
27
209.00 Amu
28
Volume atom
ora Sumadhiya
22.23 cm3 / mol
13
Nomer atom jejer
Potensi Valence Electron
8.00 (-eV)
99+
ora Sumadhiya
Constant pola
ora Sumadhiya
335.90 pm
99+
pola Angles
NA
π/2, π/2, π/2
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
1.87 g / cm 3
99+
9.20 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
ora Sumadhiya
9.40 g / cm3
19
Strength tensile
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viskositas
ora Sumadhiya
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meksa beluk
situs kelenturan
Poisson rasio
ora Sumadhiya
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Properties Teknik liyane
NA
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
ora Sumadhiya
9.32
31
Nindakake Magnetic
paramagnetic
nonmagnetic
Properties Listrik
Property Listrik
Arman miskin
Arman
resistivity
3.00 nΩ · m
99+
0.40 nΩ · m
99+
konduktivitas listrik
0.03 10 6 / cm Ω
40
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
15.00 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
71.00 kJ / mol
99+
134.00 kJ / mol
99+
Standard molar Entropy
ora Sumadhiya
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