polonium mungsuh Beryllium
Tabel périodik
Symbol
Po
Be
Panggil Group
16
2
2
16
Panggil periode
6
2
Block
p pemblokiran
s pemblokiran
Family unsur
Transisi Post-
alkalin bumi
CAS Number
7440086
99+
7440417
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.
- Beryllium paling logam anti karat.
- Beryllium punika logam ènthèng lan isih iku kuwat saka baja.
- Uga ketemu macem-macem aplikasi ing reaktor nuklir minangka reflektor.
sumber
Mining, Ores logam
bumi lemah ndhuwur, Found in Minerals, Mining, Ores logam, Ores saka Minerals
History
sing katutup
Pierre Curie and Marie Curie
Louis Nicolas Vauquelin
Discovery
ing taun 1898
ing 1797
turah mbrawah
Turah mbrawah Ing Universe
ora Sumadhiya
1 * 10-7 %
23
Turah mbrawah Ing Sun
~-9999 %
~0.00000001 %
29
Turah mbrawah Ing meteorit
ora Sumadhiya
0.00 %
99+
Turah mbrawah Ing bumi lemah ndhuwur
ora Sumadhiya
0.00 %
35
Turah mbrawah Ing Segara
0.00 %
99+
0.00 %
39
Turah mbrawah Ing Manungsa
ora Sumadhiya
0.00 %
19
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.
- Sawijining wesi karo tembaga utawa nikel sing digunakake ing Gyroscopes Manufaktur, sumber, kontak listrik lan pribadi non sparking.
- Wesi Beryllium digunakake minangka materi kanggo pesawat, pluru, wahana lan satelit.
Ulah Industrial
Industry Aerospace, Industry amunisi
Industry Aerospace, Industry amunisi, Industry automobile, Industry Listrik, Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi
Properties biologi
keracunan
Highly Toxic
Toxic
Saiki ing badan Human
Ora
Ya
Sang
0.00 Sang / mg dm-3
37
0.00 Sang / mg dm-3
32
ing Bone
0.00 ppm
36
0.00 ppm
32
fisik Properties
leleh Point
254.00 ° C
99+
1,278.00 ° C
36
Boiling Point
962.00 ° C
99+
2,970.00 ° C
32
katon
State fisik
Solid
Solid
warna
Silver
putih Gray
luster
NA
metallic
atose
Mohs atose
ora Sumadhiya
5.50
7
Brinell atose
ora Sumadhiya
590.00 MPa
21
Vickers atose
ora Sumadhiya
1,670.00 MPa
4
Kacepetan swara
ora Sumadhiya
12,890.00 m / s
2
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
Be
isotop
Isotop dikenal
29
10
9
29
keelektronegatifan
Pauling Elektronegativitas
2.00
7
1.57
24
Sanderson Elektronegativitas
ora Sumadhiya
1.81
12
Allred Rochow Elektronegativitas
1.76
2
1.47
14
Mulliken-Jaffe Elektronegativitas
2.48
1
1.54
12
Allen Elektronegativitas
2.19
2
1.58
23
Electropositivity
Pauling Electropositivity
2.00
99+
2.43
30
tenogo ionisasi
Level Energy 1st
812.10 kJ / mol
14
899.50 kJ / mol
7
Level Energy 2
ora Sumadhiya
1,757.10 kJ / mol
23
Level Energy 3rd
ora Sumadhiya
14,848.70 kJ / mol
2
Level Energy 4
ora Sumadhiya
21,006.60 kJ / mol
2
padha karo elektrokimia
3.90 g / amp-day
8
0.17 g / amp-day
99+
Fungsi Work elektron
ora Sumadhiya
4.98 eV
6
Properties Kimia liyane
ionisasi, Isotop radioaktif, kelarutan
Corrosion, ionisasi, Isotop radioaktif
atom Properties
Panggil atom
84
32
4
99+
Konfigurasi elektron
[Xe] 4F 14 5d 10 6s 2 6p 4
[Panjenenganipun] 2S 2
Struktur Crystal
Pénguapan (Mon)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
MON-Crystal-Structure-of-Polonium.jpg#100
HCP-Crystal-Structure-of-Beryllium.jpg#100
atom
Jumlah proton
84
32
4
99+
Jumlah Neutron
125
19
5
99+
Jumlah Èlèktron
84
32
4
99+
Radius saka Atom
Radius atom
168.00 pm
23
112.00 pm
99+
kovalen Radius
140.00 pm
99+
96.00 pm
99+
Van der Waals Radius
197.00 pm
29
153.00 pm
99+
Bobot atom
209.00 Amu
28
9.01 Amu
99+
Volume atom
22.23 cm3 / mol
13
5.00 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
ora Sumadhiya
82.00 (-eV)
15
Constant pola
335.90 pm
99+
228.58 pm
99+
pola Angles
π/2, π/2, π/2
π/2, π/2, π/2
Pola C / A rasio
ora Sumadhiya
1.57
18
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
9.20 g / cm 3
99+
1.85 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
9.40 g / cm3
19
1.69 g / cm3
99+
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
ora Sumadhiya
0.00 (Pa)
19
situs kelenturan
nyukur pengaturan
ora Sumadhiya
132.00 GPA
7
pengaturan akeh
ora Sumadhiya
130.00 GPA
13
Young kang pengaturan
ora Sumadhiya
287.00 GPA
7
Poisson rasio
ora Sumadhiya
0.03
35
Properties Teknik liyane
NA
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
9.32
31
1.85
99+
Nindakake Magnetic
nonmagnetic
diamagnetic
Properties Listrik
Property Listrik
Arman
Semiconductor
resistivity
0.40 nΩ · m
99+
36.00 nΩ · m
99+
konduktivitas listrik
0.02 10 6 / cm Ω
99+
0.31 10 6 / cm Ω
5
elektron Affinity
183.30 kJ / mol
3
0.00 kJ / mol
40
termal Properties
Kalor tartamtu
0.12 J / (kg K)
40
1.82 J / (kg K)
2
Graham Kapasitas kalor
26.40 J / mol · K
28
16.44 J / mol · K
99+
doyo termal
20.00 W / m · K
99+
200.00 W / m · K
6
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
23.50 μm / (m · K)
16
11.30 μm / (m · K)
34
enthalpy
Enthalpy panguapan
60.30 kJ / mol
99+
294.70 kJ / mol
30
Enthalpy saka Fusion
13.00 kJ / mol
26
11.72 kJ / mol
30
Enthalpy saka atomization
134.00 kJ / mol
99+
326.40 kJ / mol
30
Standard molar Entropy
ora Sumadhiya
9.50 J / mol.K
99+
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