Praseodymium mungsuh kalium
Tabel périodik
Symbol
Pr
K
Panggil Group
ora Sumadhiya
1
17
Panggil periode
6
4
Block
pemblokiran f
s pemblokiran
Family unsur
lanthanide
alkali
CAS Number
7440100
99+
7440097
99+
Jeneng papan Group
P63 / mmc
3M Im_
Space Group Number
194.00
5
229.00
1
facts
Facts Interesting
- Praseodymium logam sintetik diprodhuksi logam.
- Praseodymium digunakake minangka bahan bakar kanggo generator radioaktif.
- Ing dhaptar paling unsur KALUBÈRAN kalium wis ditingkat 7th.
- Kalium bisa gampang ngiris (disigar) mudhun nggunakake piso.
sumber
Found in Minerals, Mining, Ores saka Minerals
Found in Minerals, Mining
History
sing katutup
Not Available
Humphry Davy
Discovery
ing taun 1885
1807
turah mbrawah
Turah mbrawah Ing Universe
2 * 10-7 %
22
3 * 10-4 %
9
Turah mbrawah Ing Sun
~0.0000001 %
26
~0.0004 %
9
Turah mbrawah Ing meteorit
0.00 %
40
0.07 %
9
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
27
1.50 %
6
Turah mbrawah Ing Segara
0.00 %
39
0.04 %
3
Turah mbrawah Ing Manungsa
ora Sumadhiya
0.20 %
2
ulah
Ulah lan Wuku
- Gunakake utama Praseodymium kalebu wesi. Praseodymium -Magnesium alloy digunakake ing mesin pesawat amarga kekuatan dhuwur.
- metal iki uga digunakake nalika nggawe wesi sembrani permanen.
- senyawa kalium kang ana ing dhuwur dikarepake kanggo aplikasi ing Manufaktur pupuk.
- Kalium karbonat digunakake ing Manufaktur kaca lan kalium karbonat ing Manufaktur deterjen lan awak wisuh.
Ulah Industrial
Industri Kimia
Industry amunisi, Industri Kimia
Ulah Medical
NA
Industry Pharmaceutical
Ulah liyane
wesi
NA
Properties biologi
keracunan
arep Toxic
Toxic
Saiki ing badan Human
Ora
Ya
Sang
ora Sumadhiya
1,620.00 Sang / mg dm-3
2
ing Bone
ora Sumadhiya
2,100.00 ppm
3
fisik Properties
leleh Point
935.00 ° C
99+
63.65 ° C
99+
Boiling Point
3,130.00 ° C
27
774.00 ° C
99+
katon
State fisik
Solid
Solid
warna
klawu putih
perak Gray
luster
metallic
NA
atose
Mohs atose
ora Sumadhiya
0.40
23
Brinell atose
481.00 MPa
24
0.36 MPa
99+
Vickers atose
400.00 MPa
25
ora Sumadhiya
Kacepetan swara
2,280.00 m / s
40
2,000.00 m / s
99+
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
Pr
K
isotop
Isotop dikenal
31
8
20
19
keelektronegatifan
Pauling Elektronegativitas
1.13
99+
0.82
99+
Sanderson Elektronegativitas
ora Sumadhiya
0.45
31
Allred Rochow Elektronegativitas
1.07
32
0.91
39
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya
0.73
23
Allen Elektronegativitas
ora Sumadhiya
0.73
99+
Electropositivity
Pauling Electropositivity
2.87
12
3.18
3
tenogo ionisasi
Level Energy 1st
527.00 kJ / mol
99+
418.80 kJ / mol
99+
Level Energy 2
1,020.00 kJ / mol
99+
3,052.00 kJ / mol
5
Level Energy 3rd
2,086.00 kJ / mol
99+
4,420.00 kJ / mol
8
Level Energy 4
3,761.00 kJ / mol
99+
5,877.00 kJ / mol
9
Level Energy 5th
5,551.00 kJ / mol
29
7,975.00 kJ / mol
8
Level Energy 6th
ora Sumadhiya
9,590.00 kJ / mol
13
tingkat Energy 7
ora Sumadhiya
11,343.00 kJ / mol
17
Level Energy 8
ora Sumadhiya
14,944.00 kJ / mol
13
Level Energy 9
ora Sumadhiya
16,963.70 kJ / mol
15
Level Energy 10th
ora Sumadhiya
48,610.00 kJ / mol
3
Level Energy 11
ora Sumadhiya
54,490.00 kJ / mol
4
Level Energy 12
ora Sumadhiya
60,730.00 kJ / mol
4
Level Energy 13
ora Sumadhiya
68,950.00 kJ / mol
4
Level Energy 14
ora Sumadhiya
75,900.00 kJ / mol
5
Level Energy 15
ora Sumadhiya
83,080.00 kJ / mol
6
Level Energy 16
ora Sumadhiya
93,400.00 kJ / mol
7
Level Energy 17
ora Sumadhiya
99,710.00 kJ / mol
8
padha karo elektrokimia
1.75 g / amp-day
40
1.46 g / amp-day
99+
Fungsi Work elektron
2.70 eV
99+
2.30 eV
99+
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif
Kimia Stabilitas, Flammability, ionisasi, kelarutan
atom Properties
Panggil atom
59
99+
19
99+
Konfigurasi elektron
[Xe] 4F 3 6s 2
[Ar] 4s 1
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Body tengah kubik (Bcc)
Crystal pola
HCP-Crystal-Structure-of-Praseodymium.jpg#100
BCC-Crystal-Structure-.jpg#100
atom
Jumlah proton
59
99+
19
99+
Jumlah Neutron
82
99+
20
99+
Jumlah Èlèktron
59
99+
19
99+
Radius saka Atom
Radius atom
182.00 pm
11
227.00 pm
3
kovalen Radius
203.00 pm
9
203.00 pm
9
Van der Waals Radius
239.00 pm
14
275.00 pm
5
Bobot atom
140.91 Amu
99+
39.10 Amu
99+
Volume atom
20.80 cm3 / mol
15
45.46 cm3 / mol
3
Nomer atom jejer
Potensi Valence Electron
42.64 (-eV)
99+
10.40 (-eV)
99+
Constant pola
367.25 pm
29
532.80 pm
12
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
1.61
4
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
6.77 g / cm 3
99+
0.86 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
6.50 g / cm3
39
0.83 g / cm3
99+
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)
25
ora Sumadhiya
Meksa beluk ing 2000 K
13.20 (Pa)
7
ora Sumadhiya
situs kelenturan
nyukur pengaturan
14.80 GPA
39
1.30 GPA
99+
pengaturan akeh
28.80 GPA
40
3.10 GPA
99+
Young kang pengaturan
37.30 GPA
99+
3.53 GPA
99+
Poisson rasio
0.28
16
ora Sumadhiya
Properties Teknik liyane
ductile, malleable
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
6.77
99+
0.86
99+
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
0.70 nΩ · m
99+
72.00 nΩ · m
37
konduktivitas listrik
0.01 10 6 / cm Ω
99+
0.14 10 6 / cm Ω
14
elektron Affinity
50.00 kJ / mol
21
48.40 kJ / mol
22
termal Properties
Kalor tartamtu
0.19 J / (kg K)
32
0.75 J / (kg K)
6
Graham Kapasitas kalor
27.20 J / mol · K
18
29.60 J / mol · K
6
doyo termal
12.50 W / m · K
99+
102.50 W / m · K
15
suhu kritis
ora Sumadhiya
2,223.00 K
3
Expansion termal
6.70 μm / (m · K)
99+
83.30 μm / (m · K)
3
enthalpy
Enthalpy panguapan
296.80 kJ / mol
29
77.50 kJ / mol
99+
Enthalpy saka Fusion
6.89 kJ / mol
99+
2.32 kJ / mol
99+
Enthalpy saka atomization
368.00 kJ / mol
24
89.50 kJ / mol
99+
Standard molar Entropy
73.20 J / mol.K
10
64.70 J / mol.K
18
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