Symbol
Fm
Sr
Panggil Group
32
0
17
👆🏻
Panggil periode
75
2
7
👆🏻
Block
pemblokiran f
s pemblokiran
Family unsur
actinide
alkalin bumi
CAS Number
74407247440246
7429905
54386242
👆🏻
Jeneng papan Group
-
Fm_ 3M
Space Group Number
194.00225.00
11
276
👆🏻
Facts Interesting
- metal Fermium punika Highly radioaktif ing alam.
- Fermium wis sintetik diprodhuksi logam.
- unsur strontium alus saka Calcium.
- Perak Strontium dadi kuning, yen kapapar online.
sumber
Némbakaké Pu-239 karo Neutron
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Lawrence Berkeley National Laboratory
William Cruickshank
Discovery
ing taun 1952
ing 1787
turah mbrawah
Turah mbrawah Ing Universe
0.00 %0.00 %
0
0.11
👆🏻
Turah mbrawah Ing Sun
0.00 %0.00 %
0
0.1
👆🏻
Turah mbrawah Ing meteorit
0.00 %0.00 %
0
22
👆🏻
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %0.04 %
1E-37
8.1
👆🏻
Turah mbrawah Ing Segara
-0.00 %
0
1.1
👆🏻
Turah mbrawah Ing Manungsa
-0.00 %
0
1.4
👆🏻
Ulah lan Wuku
- Efesus saiki dikenal saka logam Fermium sing winates kanggo riset waé mung.
- Logam strontium digunakake kanggo ngasilake magnet ferit uga nyaring seng.
- Produk sampingan saka reaktor nuklir sing diarani Strontium-90 yaiku isotop radioaktif; diserep dening jaringan lan ngrusak sumsum balung lan wutah kanker.
Ulah Industrial
-
Industry amunisi, Industri Kimia
Ulah Medical
-
-
Ulah liyane
-
wesi
Properties biologi
keracunan
-
non Toxic
Saiki ing badan Human
Ora
Ya
Sang
0.00 Sang / mg dm-30.03 Sang / mg dm-3
0
1970
👆🏻
ing Bone
0.00 ppm140.00 ppm
0
170000
👆🏻
leleh Point
1,527.00 ° C769.00 ° C
-38.83
3410
👆🏻
Boiling Point
0.00 ° C1,384.00 ° C
0
5660
👆🏻
katon
State fisik
Solid
Solid
warna
-
perak Putih
luster
-
metallic
atose
Mohs atose
6.001.50
0.2
8.5
👆🏻
Brinell atose
500.00 MPa110.00 MPa
0.14
3490
👆🏻
Vickers atose
600.00 MPa15.00 MPa
0
3920
👆🏻
Kacepetan swara
2,500.00 m / s4,170.00 m / s
818
16200
👆🏻
Properties Optical
bias Index
1.301.43
0.155
3.41
👆🏻
reflectivity
59.00 %65.00 %
5
97
👆🏻
allotropes
Ora
Ora
α allotropes
-
-
β allotropes
-
-
γ allotropes
-
-
Formula Kimia
Fm
Sr
isotop
Isotop dikenal
1827
0
38
👆🏻
keelektronegatifan
Pauling Elektronegativitas
1.300.95
0
2.6
👆🏻
Sanderson Elektronegativitas
1.300.72
0.22
2.56
👆🏻
Allred Rochow Elektronegativitas
1.200.99
0.86
1.9
👆🏻
Mulliken-Jaffe Elektronegativitas
1.301.00
0.62
2.48
👆🏻
Allen Elektronegativitas
1.300.96
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
2.703.05
1.46
3.3
👆🏻
tenogo ionisasi
Level Energy 1st
627.00 kJ / mol549.50 kJ / mol
375.7
26130
👆🏻
Level Energy 2
1,225.00 kJ / mol1,064.20 kJ / mol
392.8
28750
👆🏻
Level Energy 3rd
2,363.00 kJ / mol4,138.00 kJ / mol
392.8
34230
👆🏻
Level Energy 4
3,792.00 kJ / mol5,500.00 kJ / mol
375.7
37066
👆🏻
Level Energy 5th
6,270.00 kJ / mol6,910.00 kJ / mol
392
97510
👆🏻
Level Energy 6th
6,270.00 kJ / mol8,760.00 kJ / mol
1007
105800
👆🏻
tingkat Energy 7
6,270.00 kJ / mol10,230.00 kJ / mol
1007
114300
👆🏻
Level Energy 8
6,270.00 kJ / mol11,800.00 kJ / mol
730
125300
👆🏻
Level Energy 9
7,040.00 kJ / mol15,600.00 kJ / mol
1007
134700
👆🏻
Level Energy 10th
6,270.00 kJ / mol17,100.00 kJ / mol
392
144300
👆🏻
Level Energy 11
6,270.00 kJ / mol31,270.00 kJ / mol
392
169988
👆🏻
Level Energy 12
62,700.00 kJ / mol5,490.00 kJ / mol
0
189368
👆🏻
Level Energy 13
6,270.00 kJ / mol5,490.00 kJ / mol
1007
76015
👆🏻
Level Energy 14
6,270.00 kJ / mol5,490.00 kJ / mol
380
86450
👆🏻
Level Energy 15
62,700.00 kJ / mol54,900.00 kJ / mol
33000
100700
👆🏻
Level Energy 16
62,700.00 kJ / mol54,900.00 kJ / mol
375.7
109480
👆🏻
Level Energy 17
627.00 kJ / mol549.50 kJ / mol
375.7
122200
👆🏻
Level Energy 18
6,270.00 kJ / mol5,490.00 kJ / mol
0
134810
👆🏻
Level Energy 19
994.80 kJ / mol549.50 kJ / mol
375.7
148700
👆🏻
Level Energy 20
627.00 kJ / mol549.00 kJ / mol
0
171200
👆🏻
Level Energy 21
627.00 kJ / mol549.50 kJ / mol
375.7
179100
👆🏻
Level Energy 22
345.00 kJ / mol549.00 kJ / mol
330
184900
👆🏻
Level Energy 23rd
6,270.00 kJ / mol549.50 kJ / mol
357.6
198800
👆🏻
Level Energy 24
627.60 kJ / mol549.50 kJ / mol
297.3
195200
👆🏻
Level Energy 25th
627.00 kJ / mol549.00 kJ / mol
0
121900
👆🏻
Level Energy 26th
627.60 kJ / mol549.50 kJ / mol
357.6
127700
👆🏻
Level Energy 27th
627.60 kJ / mol549.50 kJ / mol
0
133800
👆🏻
Level Energy 28th
627.60 kJ / mol549.50 kJ / mol
297.3
139800
👆🏻
Level Energy 29
627.60 kJ / mol549.50 kJ / mol
0
148100
👆🏻
Level Energy 30
627.60 kJ / mol549.50 kJ / mol
0
154500
👆🏻
padha karo elektrokimia
3.20 g / amp-day1.64 g / amp-day
0.16812
8.3209
👆🏻
Fungsi Work elektron
4.47 eV2.59 eV
2.14
6
👆🏻
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
Panggil atom
10038
3
117
👆🏻
Konfigurasi elektron
[Rn] 5F 12 7s 2
[Kr] 5S 2
Struktur Crystal
ora Lake
Face tengah kubik (FCC)
Crystal pola
atom
Jumlah proton
10038
3
117
👆🏻
Jumlah Neutron
15750
4
285
👆🏻
Jumlah Èlèktron
10038
3
117
👆🏻
Radius saka Atom
Radius atom
180.00 pm215.00 pm
0
348
👆🏻
kovalen Radius
180.00 pm195.00 pm
0
260
👆🏻
Van der Waals Radius
245.00 pm249.00 pm
0
348
👆🏻
Bobot atom
257.00 Amu87.62 Amu
6.94
294
👆🏻
Volume atom
18.00 cm3 / mol33.70 cm3 / mol
1.39
71.07
👆🏻
Nomer atom jejer
unsur Previous
Sabanjure unsur
Potensi Valence Electron
0.00 (-eV)25.70 (-eV)
0
392.42
👆🏻
Constant pola
350.00 pm608.49 pm
0
891.25
👆🏻
pola Angles
-
π/2, π/2, π/2
Pola C / A rasio
1.631.57
0.423
1.9
👆🏻
Kapadhetan
Kapadhetan Ing suhu kamar
9.70 g / cm 32.64 g / cm 3
0.534
40.7
👆🏻
Kapadhetan Nalika Liquid (ing mp)
9.70 g / cm32.38 g / cm3
0.512
41
👆🏻
Strength tensile
0.10 MPa170.00 MPa
0.1
11000
👆🏻
viskositas
0.000.00
1.5E-05
0.0035
👆🏻
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)121.00 (Pa)
0
121
👆🏻
Meksa beluk ing 2000 K
0.00 (Pa)0.00 (Pa)
0
774
👆🏻
situs kelenturan
nyukur pengaturan
30.00 GPA6.03 GPA
1.3
222
👆🏻
pengaturan akeh
50.00 GPA11.00 GPA
0
462
👆🏻
Young kang pengaturan
0.00 GPA15.70 GPA
0
528
👆🏻
Poisson rasio
0.350.28
0.032
0.47
👆🏻
Properties Teknik liyane
-
-
Ciri Magnetic
Gravitasi tartamtu
9.702.64
0.53
4500
👆🏻
Nindakake Magnetic
-
paramagnetic
permeabilitas
0.00 H / m0.00 H / m
1.25643E-06
0.0063
👆🏻
kelemahan
0.000.00
-0.000166
200000
👆🏻
Properties Listrik
Property Listrik
-
-
resistivity
7.90 nΩ · m132.00 nΩ · m
0.1
961
👆🏻
konduktivitas listrik
0.00 10 6 / cm Ω0.08 10 6 / cm Ω
0
0.63
👆🏻
elektron Affinity
0.00 kJ / mol5.03 kJ / mol
0
222.8
👆🏻
Kalor tartamtu
0.10 J / (kg K)0.30 J / (kg K)
0.1
3.6
👆🏻
Graham Kapasitas kalor
27.00 J / mol · K26.40 J / mol · K
13.1
62.7
👆🏻
doyo termal
0.00 W / m · K35.40 W / m · K
0
429
👆🏻
suhu kritis
1,323.00 K1,050.00 K
26.3
3695
👆🏻
Expansion termal
11.00 μm / (m · K)22.50 μm / (m · K)
4.5
97
👆🏻
enthalpy
Enthalpy panguapan
319.20 kJ / mol150.00 kJ / mol
7.32
799.1
👆🏻
Enthalpy saka Fusion
13.30 kJ / mol9.16 kJ / mol
2.1
35.23
👆🏻
Enthalpy saka atomization
-163.20 kJ / mol
61.5
837
👆🏻
Standard molar Entropy
50.00 J / mol.K55.00 J / mol.K
9.5
198.1
👆🏻