mbandhingaké americium lan Protaktinium
Tabel périodik
Symbol
Am
Pa
Panggil Group
ora Sumadhiya
ora Sumadhiya
Panggil periode
7
7
Block
pemblokiran f
pemblokiran f
Family unsur
actinide
actinide
CAS Number
7440359
99+
7440133
99+
Jeneng papan Group
P63 / mmc
I4 / mmm
Space Group Number
194.00
5
139.00
8
facts
Facts Interesting
- metal Americium diprodhuksi dening némbakaké Plutonium karo Neutron.
- metal Americium ditemokaké minangka dening-produk nalika Testing bom atom (Manhattan Project).
- metal Protaktinium wis 29 isotop.
- Isotop saka Protaktinium-231 digunakake ing gegaman nuklir.
sumber
Dijupuk dening bombarding plutonium karo Neutron
Found in Ores Uranium, Mining, Ores logam
History
sing katutup
Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso
William Crookes
Discovery
ing 1944
ing taun 1900
turah mbrawah
Turah mbrawah Ing bumi lemah ndhuwur
ora Sumadhiya
0.00 %
99+
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.
- Efesus saiki dikenal saka logam Protaktinium sing winates kanggo riset waé mung.
Ulah Industrial
NA
NA
Ulah Medical
NA
NA
Ulah liyane
wesi, Nuclear Riset, tujuan Research
NA
Properties biologi
keracunan
Toxic
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
994.00 ° C
99+
1,568.00 ° C
21
Boiling Point
2,607.00 ° C
99+
4,027.00 ° C
12
katon
State fisik
Solid
Solid
warna
perak Putih
Silver
luster
NA
metallic
atose
Kacepetan swara
ora Sumadhiya
ora Sumadhiya
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
Pa
isotop
Isotop dikenal
16
23
27
12
keelektronegatifan
Pauling Elektronegativitas
1.30
32
1.50
27
Allred Rochow Elektronegativitas
1.20
27
1.14
28
Electropositivity
Pauling Electropositivity
2.70
22
2.50
27
tenogo ionisasi
Level Energy 1st
578.00 kJ / mol
99+
568.00 kJ / mol
99+
Level Energy 2
1,158.00 kJ / mol
99+
1,128.00 kJ / mol
99+
Level Energy 3rd
2,132.00 kJ / mol
99+
1,814.00 kJ / mol
99+
Level Energy 4
3,493.00 kJ / mol
99+
2,991.00 kJ / mol
99+
padha karo elektrokimia
3.02 g / amp-day
17
1.72 g / amp-day
99+
Fungsi Work elektron
ora Sumadhiya
ora Sumadhiya
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif
atom Properties
Panggil atom
95
23
91
27
Konfigurasi elektron
[Rn] 5F 7 7s 2
[Rn] 5F 2 6D 1 7s 2
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Tetragonal (TETR)
Crystal pola
DHCP-Crystal-Structure-of-Americium.jpg#100
TETR-Crystal-Structure-of-Protactinium.jpg#100
atom
Jumlah proton
95
23
91
27
Jumlah Neutron
148
12
122
21
Jumlah Èlèktron
95
23
91
27
Radius saka Atom
Radius atom
173.00 pm
21
163.00 pm
25
kovalen Radius
180.00 pm
21
200.00 pm
11
Van der Waals Radius
244.00 pm
10
243.00 pm
11
Bobot atom
243.00 Amu
20
231.04 Amu
24
Volume atom
17.86 cm3 / mol
29
15.00 cm3 / mol
34
Nomer atom jejer
Potensi Valence Electron
44.00 (-eV)
40
92.00 (-eV)
11
Constant pola
346.81 pm
99+
392.50 pm
23
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
12.00 g / cm 3
30
15.37 g / cm 3
20
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)
13
ora Sumadhiya
situs kelenturan
Poisson rasio
ora Sumadhiya
ora Sumadhiya
Properties Teknik liyane
NA
Unknown
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
13.67
15
15.37
12
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Unknown
Arman
resistivity
0.69 nΩ · m
99+
177.00 nΩ · m
21
konduktivitas listrik
0.02 10 6 / cm Ω
99+
0.05 10 6 / cm Ω
34
termal Properties
Kalor tartamtu
0.11 J / (kg K)
99+
0.12 J / (kg K)
40
Graham Kapasitas kalor
62.70 J / mol · K
1
ora Sumadhiya
doyo termal
10.00 W / m · K
99+
47.00 W / m · K
32
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
ora Sumadhiya
9.90 μm / (m · K)
40
enthalpy
Enthalpy saka Fusion
14.39 kJ / mol
24
12.34 kJ / mol
28
Enthalpy saka atomization
268.00 kJ / mol
40
ora Sumadhiya
Standard molar Entropy
ora Sumadhiya
198.10 J / mol.K
1
|
||
|
||
|
