americium mungsuh californium
Tabel périodik
Symbol
Am
Cf
Panggil Group
ora Sumadhiya
ora Sumadhiya
Panggil periode
7
7
Block
pemblokiran f
pemblokiran f
Family unsur
actinide
actinide
CAS Number
7440359
99+
7440713
20
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).
- Californium metal banget mbebayani lan Highly radioaktif.
- Californium logam punika logam abot.
sumber
Dijupuk dening bombarding plutonium karo Neutron
Digawe dening némbakaké Curium karo helium ion
History
sing katutup
Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso
Lawrence Berkeley National Laboratory
Discovery
ing 1944
ing taun 1950
turah mbrawah
ulah
Ulah lan Wuku
- metal Americium digunakake ing weker deteksi kumelun.
- Ing mangsa, logam gadhah potensi digunakake ing batre spacecrafts.
- Californium logam emitter neutron kuwat banget. Kang digunakake minangka detector logam.
- Uga digunakake minangka pengenal kanggo mriksa banyu lan lapisan lenga ing sumur lenga.
Ulah Industrial
NA
Industri Kimia
Ulah Medical
NA
NA
Ulah liyane
wesi, Nuclear Riset, tujuan Research
wesi, Nuclear Riset
Properties biologi
keracunan
Toxic
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+
900.00 ° C
99+
Boiling Point
2,607.00 ° C
99+
1,470.00 ° C
99+
katon
State fisik
Solid
Solid
warna
perak Putih
Silver
luster
NA
NA
atose
Mohs atose
ora Sumadhiya
3.00
12
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
Cf
isotop
Isotop dikenal
16
23
20
19
keelektronegatifan
Pauling Elektronegativitas
1.30
32
1.30
32
Allred Rochow Elektronegativitas
1.20
27
1.20
27
Electropositivity
Pauling Electropositivity
2.70
22
2.70
22
tenogo ionisasi
Level Energy 1st
578.00 kJ / mol
99+
608.00 kJ / mol
99+
Level Energy 2
1,158.00 kJ / mol
99+
1,206.00 kJ / mol
99+
Level Energy 3rd
2,132.00 kJ / mol
99+
2,267.00 kJ / mol
99+
Level Energy 4
3,493.00 kJ / mol
99+
3,599.00 kJ / mol
99+
padha karo elektrokimia
3.02 g / amp-day
17
3.12 g / amp-day
15
Fungsi Work elektron
ora Sumadhiya
ora Sumadhiya
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
Corrosion, ionisasi, Isotop radioaktif, Radioaktif, kelarutan
atom Properties
Panggil atom
95
23
98
20
Konfigurasi elektron
[Rn] 5F 7 7s 2
[Rn] 5F 10 7s 2
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Double Hexagonal Tutup dikempalken (DHCP)
Crystal pola
DHCP-Crystal-Structure-of-Americium.jpg#100
DHCP-Crystal-Structure-of-Californium.jpg#100
atom
Jumlah proton
95
23
98
20
Jumlah Neutron
148
12
153
9
Jumlah Èlèktron
95
23
98
20
Radius saka Atom
Radius atom
173.00 pm
21
186.00 pm
9
kovalen Radius
180.00 pm
21
ora Sumadhiya
Van der Waals Radius
244.00 pm
10
ora Sumadhiya
Bobot atom
243.00 Amu
20
251.00 Amu
17
Volume atom
17.86 cm3 / mol
29
ora Sumadhiya
Nomer atom jejer
Potensi Valence Electron
44.00 (-eV)
40
44.50 (-eV)
38
Constant pola
346.81 pm
99+
338.00 pm
99+
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
12.00 g / cm 3
30
15.10 g / cm 3
21
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
malleable, Sectile
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
13.67
15
15.10
13
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
resistivity
0.69 nΩ · m
99+
ora Sumadhiya
konduktivitas listrik
0.02 10 6 / cm Ω
99+
ora Sumadhiya
termal Properties
Kalor tartamtu
0.11 J / (kg K)
99+
ora Sumadhiya
Graham Kapasitas kalor
62.70 J / mol · K
1
ora Sumadhiya
doyo termal
10.00 W / m · K
99+
ora Sumadhiya
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
ora Sumadhiya
ora Sumadhiya
enthalpy
Enthalpy saka Fusion
14.39 kJ / mol
24
ora Sumadhiya
Enthalpy saka atomization
268.00 kJ / mol
40
ora Sumadhiya
Standard molar Entropy
ora Sumadhiya
ora Sumadhiya
|
||
|
||
|
