Actinium mungsuh prometium
Tabel périodik
Symbol
Ac
Pm
Panggil Group
ora Sumadhiya
ora Sumadhiya
Panggil periode
7
6
Block
pemblokiran f
pemblokiran f
Family unsur
actinide
lanthanide
CAS Number
7440348
99+
7440122
99+
Jeneng papan Group
Fm_ 3M
ora Sumadhiya
Space Group Number
225.00
2
ora Sumadhiya
facts
Facts Interesting
ora Cepak
- metal Prometium ditemokaké ing pitchblende.
- Prometium logam logam Highly radioaktif.
sumber
Dijupuk dening Nambani Radium karo Neutron, Ores logam
Found in Minerals, Mining
History
sing katutup
Friedrich Oskar Giesel
Chien Shiung Wu, Emilio Segrè, Hans Bethe
Discovery
ing taun 1902
ing taun 1942
turah mbrawah
ulah
Ulah lan Wuku
- metal Actinium wis sumber sinar alfa nanging ora dienggo njaba riset waé.
- Kang digunakake kanggo riset waé. jumlah cilik saka logam digunakake ing batre atom.
- bosok radioaktif sawijining digunakake kanggo Phosphor kanggo menehi mati lampu. Lampu cemlorot diowahi dadi listrik.
Ulah Industrial
NA
NA
Ulah Medical
NA
NA
Ulah liyane
wesi, Nuclear Riset, tujuan Research
NA
Properties biologi
keracunan
Toxic
non 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
ora Sumadhiya
fisik Properties
leleh Point
1,227.00 ° C
38
1,042.00 ° C
99+
Boiling Point
3,200.00 ° C
26
3,000.00 ° C
31
katon
State fisik
Solid
Solid
warna
perak Putih
Unknown
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
Ac
Pm
isotop
Isotop dikenal
29
10
27
12
keelektronegatifan
Pauling Elektronegativitas
1.10
99+
ora Sumadhiya
Allred Rochow Elektronegativitas
1.00
36
1.07
32
Electropositivity
Pauling Electropositivity
2.90
10
ora Sumadhiya
tenogo ionisasi
Level Energy 1st
499.00 kJ / mol
99+
540.00 kJ / mol
99+
Level Energy 2
1,170.00 kJ / mol
99+
1,050.00 kJ / mol
99+
Level Energy 3rd
1,900.00 kJ / mol
99+
2,150.00 kJ / mol
99+
Level Energy 4
4,700.00 kJ / mol
23
3,970.00 kJ / mol
38
padha karo elektrokimia
2.82 g / amp-day
18
1.80 g / amp-day
36
Fungsi Work elektron
ora Sumadhiya
ora Sumadhiya
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
89
29
61
99+
Konfigurasi elektron
[Rn] 6D 1 7s 2
[Xe] 4F 5 6s 2
Struktur Crystal
Face tengah kubik (FCC)
Double Hexagonal Tutup dikempalken (DHCP)
Crystal pola
FCC-Crystal-Structure-of-Actinium.jpg#100
DHCP-Crystal-Structure-of-Promethium.jpg#100
atom
Jumlah proton
89
29
61
99+
Jumlah Neutron
138
16
84
40
Jumlah Èlèktron
89
29
61
99+
Radius saka Atom
Radius atom
195.00 pm
7
183.00 pm
10
kovalen Radius
ora Sumadhiya
199.00 pm
12
Van der Waals Radius
ora Sumadhiya
236.00 pm
16
Bobot atom
227.00 Amu
25
145.00 Amu
99+
Volume atom
22.54 cm3 / mol
11
22.39 cm3 / mol
12
Nomer atom jejer
Potensi Valence Electron
38.60 (-eV)
99+
44.10 (-eV)
39
Constant pola
567.00 pm
8
ora Sumadhiya
pola Angles
π/2, π/2, π/2
Unknown
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
10.00 g / cm 3
37
7.26 g / cm 3
99+
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
situs kelenturan
nyukur pengaturan
ora Sumadhiya
18.00 GPA
36
pengaturan akeh
ora Sumadhiya
33.00 GPA
36
Young kang pengaturan
ora Sumadhiya
46.00 GPA
38
Poisson rasio
ora Sumadhiya
0.28
17
Properties Teknik liyane
NA
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
10.07
28
7.26
99+
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Unknown
Arman
resistivity
ora Sumadhiya
0.75 nΩ · m
99+
elektron Affinity
ora Sumadhiya
50.00 kJ / mol
21
termal Properties
Kalor tartamtu
0.12 J / (kg K)
40
0.18 J / (kg K)
33
Graham Kapasitas kalor
27.20 J / mol · K
18
ora Sumadhiya
doyo termal
12.00 W / m · K
99+
17.90 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
ora Sumadhiya
9.00 μm / (m · K)
99+
enthalpy
Enthalpy saka Fusion
ora Sumadhiya
7.50 kJ / mol
99+
Enthalpy saka atomization
301.00 kJ / mol
36
310.00 kJ / mol
34
Standard molar Entropy
56.50 J / mol.K
25
ora Sumadhiya
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