strontium mungsuh polonium
Tabel périodik
Symbol
Sr
Po
Panggil Group
2
16
16
2
Panggil periode
5
6
Block
s pemblokiran
p pemblokiran
Family unsur
alkalin bumi
Transisi Post-
CAS Number
7440246
99+
7440086
99+
Jeneng papan Group
Fm_ 3M
Pm-3M
Space Group Number
225.00
2
221.00
3
facts
Facts Interesting
- unsur strontium alus saka Calcium.
- Perak Strontium dadi kuning, yen kapapar online.
- Polonium unsur radioaktif sing pisanan ditemokaké.
- unsur polonium lan senyawa Highly radioaktif.
- Sawijining logam campuran karo Beryllium menehi sumber neutron.
sumber
Found in Minerals, Mining, Ores saka Minerals
Mining, Ores logam
History
sing katutup
William Cruickshank
Pierre Curie and Marie Curie
Discovery
ing 1787
ing taun 1898
turah mbrawah
Turah mbrawah Ing Universe
4 * 10-6 %
14
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Turah mbrawah Ing Sun
~0.000005 %
15
~-9999 %
Turah mbrawah Ing meteorit
0.00 %
15
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Turah mbrawah Ing bumi lemah ndhuwur
0.04 %
10
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Turah mbrawah Ing Segara
0.00 %
4
0.00 %
99+
Turah mbrawah Ing Manungsa
0.00 %
7
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ulah
Ulah lan Wuku
Character length exceed error
- 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
Industry amunisi, Industri Kimia
Industry Aerospace, Industry amunisi
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi
Properties biologi
keracunan
non Toxic
Highly Toxic
Saiki ing badan Human
Ya
Ora
Sang
0.03 Sang / mg dm-3
19
0.00 Sang / mg dm-3
37
ing Bone
140.00 ppm
7
0.00 ppm
36
fisik Properties
leleh Point
769.00 ° C
99+
254.00 ° C
99+
Boiling Point
1,384.00 ° C
99+
962.00 ° C
99+
katon
State fisik
Solid
Solid
warna
perak Putih
Silver
luster
metallic
NA
atose
Mohs atose
1.50
18
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Kacepetan swara
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Properties Optical
allotropes
Ora
Ya
α allotropes
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α-polonium
β allotropes
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β-polonium
γ allotropes
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Kimia Properties
Formula Kimia
Sr
Po
isotop
Isotop dikenal
27
12
29
10
keelektronegatifan
Pauling Elektronegativitas
0.95
99+
2.00
7
Sanderson Elektronegativitas
0.72
27
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Allred Rochow Elektronegativitas
0.99
37
1.76
2
Mulliken-Jaffe Elektronegativitas
1.00
18
2.48
1
Allen Elektronegativitas
0.96
40
2.19
2
Electropositivity
Pauling Electropositivity
3.05
7
2.00
99+
tenogo ionisasi
Level Energy 1st
549.50 kJ / mol
99+
812.10 kJ / mol
14
Level Energy 2
1,064.20 kJ / mol
99+
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Level Energy 3rd
4,138.00 kJ / mol
10
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Level Energy 4
5,500.00 kJ / mol
13
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Level Energy 5th
6,910.00 kJ / mol
18
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Level Energy 6th
8,760.00 kJ / mol
18
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tingkat Energy 7
10,230.00 kJ / mol
19
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Level Energy 8
11,800.00 kJ / mol
19
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Level Energy 9
15,600.00 kJ / mol
17
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Level Energy 10th
17,100.00 kJ / mol
19
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Level Energy 11
31,270.00 kJ / mol
6
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padha karo elektrokimia
1.64 g / amp-day
99+
3.90 g / amp-day
8
Fungsi Work elektron
2.59 eV
99+
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Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
38
99+
84
32
Konfigurasi elektron
[Kr] 5S 2
[Xe] 4F 14 5d 10 6s 2 6p 4
Struktur Crystal
Face tengah kubik (FCC)
Pénguapan (Mon)
Crystal pola
FCC-Crystal-Structure-of-Strontium.jpg#100
MON-Crystal-Structure-of-Polonium.jpg#100
atom
Jumlah proton
38
99+
84
32
Jumlah Neutron
50
99+
125
19
Jumlah Èlèktron
38
99+
84
32
Radius saka Atom
Radius atom
215.00 pm
5
168.00 pm
23
kovalen Radius
195.00 pm
15
140.00 pm
99+
Van der Waals Radius
249.00 pm
7
197.00 pm
29
Bobot atom
87.62 Amu
99+
209.00 Amu
28
Volume atom
33.70 cm3 / mol
6
22.23 cm3 / mol
13
Nomer atom jejer
Potensi Valence Electron
25.70 (-eV)
99+
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Constant pola
608.49 pm
6
335.90 pm
99+
pola Angles
π/2, π/2, π/2
π/2, π/2, π/2
Pola C / A rasio
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Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
2.64 g / cm 3
99+
9.20 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
2.38 g / cm3
99+
9.40 g / cm3
19
Strength tensile
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viskositas
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meksa beluk
Meksa beluk ing 1000 K
121.00 (Pa)
1
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situs kelenturan
nyukur pengaturan
6.03 GPA
99+
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Young kang pengaturan
15.70 GPA
99+
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Poisson rasio
0.28
17
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Properties Teknik liyane
NA
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
2.64
99+
9.32
31
Nindakake Magnetic
paramagnetic
nonmagnetic
Properties Listrik
Property Listrik
NA
Arman
resistivity
132.00 nΩ · m
24
0.40 nΩ · m
99+
konduktivitas listrik
0.08 10 6 / cm Ω
26
0.02 10 6 / cm Ω
99+
elektron Affinity
5.03 kJ / mol
38
183.30 kJ / mol
3
termal Properties
Kalor tartamtu
0.30 J / (kg K)
18
0.12 J / (kg K)
40
Graham Kapasitas kalor
26.40 J / mol · K
28
26.40 J / mol · K
28
doyo termal
35.40 W / m · K
37
20.00 W / m · K
99+
suhu kritis
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Expansion termal
22.50 μm / (m · K)
18
23.50 μm / (m · K)
16
enthalpy
Enthalpy panguapan
150.00 kJ / mol
99+
60.30 kJ / mol
99+
Enthalpy saka Fusion
9.16 kJ / mol
38
13.00 kJ / mol
26
Enthalpy saka atomization
163.20 kJ / mol
99+
134.00 kJ / mol
99+
Standard molar Entropy
55.00 J / mol.K
26
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