americium mungsuh Terbium
Tabel périodik
Symbol
Am
Tb
Panggil Group
ora Sumadhiya
ora Sumadhiya
Panggil periode
7
6
Block
pemblokiran f
pemblokiran f
Family unsur
actinide
lanthanide
CAS Number
7440359
99+
7440279
99+
Jeneng papan Group
P63 / mmc
P63 / mmc
Space Group Number
194.00
5
194.00
5
facts
Facts Interesting
- metal Americium diprodhuksi dening némbakaké Plutonium karo Neutron.
- metal Americium ditemokaké minangka dening-produk nalika Testing bom atom (Manhattan Project).
- Ing kaping Terbium logam tumindak padha Calcium.
- metal Terbium rapet padha logam Lanthanum.
sumber
Dijupuk dening bombarding plutonium karo Neutron
Found in Minerals, Ketemu karo Other Metals Bumi Langka, Mining, Ores saka Minerals
History
sing katutup
Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso
Carl Gustaf Mosander
Discovery
ing 1944
Wonten ing taun 1842
turah mbrawah
Turah mbrawah Ing Universe
ora Sumadhiya
5 * 10-8 %
27
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 %
40
Turah mbrawah Ing Segara
ora Sumadhiya
0.00 %
99+
ulah
Ulah lan Wuku
- metal Americium digunakake ing weker deteksi kumelun.
- Ing mangsa, logam gadhah potensi digunakake ing batre spacecrafts.
- uyah Terbium digunakake ing piranti optik kaya piranti laser.
- alloy Terbium kang lengthens lan cendhak Magnetik kolom lan efek iki formulir speker.
Ulah Industrial
NA
Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
wesi, Nuclear Riset, tujuan Research
wesi
Properties biologi
keracunan
Toxic
Low Toxic
Saiki ing badan Human
Ora
Ora
Sang
0.00 Sang / mg dm-3
37
ora Sumadhiya
ing Bone
0.00 ppm
36
ora Sumadhiya
fisik Properties
leleh Point
994.00 ° C
99+
1,356.00 ° C
33
Boiling Point
2,607.00 ° C
99+
3,123.00 ° C
29
katon
State fisik
Solid
Solid
warna
perak Putih
perak Putih
luster
NA
metallic
atose
Brinell atose
ora Sumadhiya
677.00 MPa
17
Vickers atose
ora Sumadhiya
863.00 MPa
13
Kacepetan swara
ora Sumadhiya
2,620.00 m / s
35
Properties Optical
allotropes
Ora
Ora
α allotropes
ora Sumadhiya
ora Sumadhiya
β allotropes
ora Sumadhiya
ora Sumadhiya
γ allotropes
ora Sumadhiya
ora Sumadhiya
Kimia Properties
Formula Kimia
Am
Tb
isotop
Isotop dikenal
16
23
26
13
keelektronegatifan
Pauling Elektronegativitas
1.30
32
ora Sumadhiya
Allred Rochow Elektronegativitas
1.20
27
1.10
30
Electropositivity
Pauling Electropositivity
2.70
22
ora Sumadhiya
tenogo ionisasi
Level Energy 1st
578.00 kJ / mol
99+
603.40 kJ / mol
99+
Level Energy 2
1,158.00 kJ / mol
99+
1,174.80 kJ / mol
99+
Level Energy 3rd
2,132.00 kJ / mol
99+
2,417.00 kJ / mol
99+
Level Energy 4
3,493.00 kJ / mol
99+
4,203.00 kJ / mol
31
padha karo elektrokimia
3.02 g / amp-day
17
1.98 g / amp-day
31
Fungsi Work elektron
ora Sumadhiya
3.00 eV
36
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
95
23
65
99+
Konfigurasi elektron
[Rn] 5F 7 7s 2
[Xe] 4F 9 6s 2
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
DHCP-Crystal-Structure-of-Americium.jpg#100
HCP-Crystal-Structure-of-Terbium.jpg#100
atom
Jumlah proton
95
23
65
99+
Jumlah Neutron
148
12
94
36
Jumlah Èlèktron
95
23
65
99+
Radius saka Atom
Radius atom
173.00 pm
21
177.00 pm
17
kovalen Radius
180.00 pm
21
194.00 pm
16
Van der Waals Radius
244.00 pm
10
221.00 pm
22
Bobot atom
243.00 Amu
20
158.93 Amu
99+
Volume atom
17.86 cm3 / mol
29
19.20 cm3 / mol
22
Nomer atom jejer
Potensi Valence Electron
44.00 (-eV)
40
46.80 (-eV)
33
Constant pola
346.81 pm
99+
360.10 pm
36
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
1.58
13
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
12.00 g / cm 3
30
8.23 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
ora Sumadhiya
7.65 g / cm3
30
Strength tensile
ora Sumadhiya
60.00 MPa
17
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)
13
0.00 (Pa)
29
Meksa beluk ing 2000 K
ora Sumadhiya
12.50 (Pa)
8
situs kelenturan
nyukur pengaturan
ora Sumadhiya
22.10 GPA
32
pengaturan akeh
ora Sumadhiya
38.70 GPA
33
Young kang pengaturan
ora Sumadhiya
55.70 GPA
34
Poisson rasio
ora Sumadhiya
0.26
21
Properties Teknik liyane
NA
ductile, malleable
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
13.67
15
8.23
39
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Unknown
Arman
resistivity
0.69 nΩ · m
99+
1.15 nΩ · m
99+
konduktivitas listrik
0.02 10 6 / cm Ω
99+
0.01 10 6 / cm Ω
99+
elektron Affinity
ora Sumadhiya
50.00 kJ / mol
21
termal Properties
Kalor tartamtu
0.11 J / (kg K)
99+
0.18 J / (kg K)
33
Graham Kapasitas kalor
62.70 J / mol · K
1
28.91 J / mol · K
9
doyo termal
10.00 W / m · K
99+
11.10 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
ora Sumadhiya
10.30 μm / (m · K)
38
enthalpy
Enthalpy panguapan
ora Sumadhiya
330.90 kJ / mol
26
Enthalpy saka Fusion
14.39 kJ / mol
24
10.80 kJ / mol
34
Enthalpy saka atomization
268.00 kJ / mol
40
314.00 kJ / mol
33
Standard molar Entropy
ora Sumadhiya
73.20 J / mol.K
10
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