Neodymium mungsuh calcium
Tabel périodik
Symbol
Nd
Ca
Panggil Group
1
17
2
16
Panggil periode
6
4
Block
pemblokiran f
s pemblokiran
Family unsur
lanthanide
alkalin bumi
CAS Number
7440008
99+
7440702
21
Jeneng papan Group
P63 / mmc
Fm_ 3M
Space Group Number
194.00
5
225.00
2
facts
Facts Interesting
- Neodymium ora ketemu gratis ing alam, Empu iku ora logam native.
- metal Neodymium ditemokaké ing mineral Monazite lan bastnaesite.
- Calcium rangking Alexa 5th ing dhaftar turah mbrawah bumi persentasi.
- Iki urip ing negara senyawa.
- Gypsum utawa calcium sulfat digunakake minangka plester lan plester saka paris.
sumber
Found in Minerals, Mining
bumi lemah ndhuwur, Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Carl Auer von Welsbach
Humphry Davy
Discovery
ing taun 1885
ing taun 1808
turah mbrawah
Turah mbrawah Ing Universe
1 * 10-6 %
16
7 * 10-3 %
3
Turah mbrawah Ing Sun
~0.0000003 %
24
~0.007 %
4
Turah mbrawah Ing meteorit
0.00 %
30
1.10 %
4
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
20
5.00 %
3
Turah mbrawah Ing Segara
0.00 %
30
0.00 %
5
Turah mbrawah Ing Manungsa
ora Sumadhiya
1.40 %
1
ulah
Ulah lan Wuku
- alloy Neodymium-Iron-boron digunakake kanggo nggawe wesi sembrani permanen.
- Kang digunakake ing Mikrofon, Mp3 pamuter, speaker, telpon seluler, etc.
Character length exceed error
Ulah Industrial
Industry Aerospace, Industry Listrik, Industry Elektronik
Industri Kimia
Ulah Medical
NA
Dentistry, Industry Pharmaceutical
Ulah liyane
wesi
wesi
Properties biologi
keracunan
non Toxic
non Toxic
Saiki ing badan Human
Ora
Ya
Sang
ora Sumadhiya
60.50 Sang / mg dm-3
4
ing Bone
ora Sumadhiya
170,000.00 ppm
1
fisik Properties
leleh Point
1,010.00 ° C
99+
839.00 ° C
99+
Boiling Point
3,127.00 ° C
28
1,484.00 ° C
99+
katon
State fisik
Solid
Solid
warna
perak Putih
Gray
luster
metallic
NA
atose
Mohs atose
ora Sumadhiya
1.75
17
Brinell atose
265.00 MPa
35
170.00 MPa
99+
Vickers atose
345.00 MPa
27
ora Sumadhiya
Kacepetan swara
2,330.00 m / s
38
3,810.00 m / s
19
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
Nd
Ca
isotop
Isotop dikenal
30
9
19
20
keelektronegatifan
Pauling Elektronegativitas
1.14
99+
1.00
99+
Sanderson Elektronegativitas
ora Sumadhiya
0.95
24
Allred Rochow Elektronegativitas
1.07
32
1.04
34
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya
1.08
17
Allen Elektronegativitas
ora Sumadhiya
1.03
39
Electropositivity
Pauling Electropositivity
2.86
13
3.00
9
tenogo ionisasi
Level Energy 1st
533.10 kJ / mol
99+
589.80 kJ / mol
99+
Level Energy 2
1,040.00 kJ / mol
99+
1,145.40 kJ / mol
99+
Level Energy 3rd
2,130.00 kJ / mol
99+
4,912.40 kJ / mol
7
Level Energy 4
3,900.00 kJ / mol
99+
6,491.00 kJ / mol
7
Level Energy 5th
ora Sumadhiya
8,153.00 kJ / mol
7
Level Energy 6th
ora Sumadhiya
10,496.00 kJ / mol
8
tingkat Energy 7
ora Sumadhiya
12,270.00 kJ / mol
12
Level Energy 8
ora Sumadhiya
14,206.00 kJ / mol
15
Level Energy 9
ora Sumadhiya
18,191.00 kJ / mol
12
Level Energy 10th
ora Sumadhiya
20,385.00 kJ / mol
16
Level Energy 11
ora Sumadhiya
57,110.00 kJ / mol
3
Level Energy 12
ora Sumadhiya
63,410.00 kJ / mol
3
Level Energy 13
ora Sumadhiya
70,110.00 kJ / mol
3
Level Energy 14
ora Sumadhiya
78,890.00 kJ / mol
4
Level Energy 15
ora Sumadhiya
86,310.00 kJ / mol
5
Level Energy 16
ora Sumadhiya
94,000.00 kJ / mol
6
Level Energy 17
ora Sumadhiya
104,900.00 kJ / mol
7
Level Energy 18
ora Sumadhiya
111,711.00 kJ / mol
8
padha karo elektrokimia
1.79 g / amp-day
37
0.75 g / amp-day
99+
Fungsi Work elektron
3.20 eV
34
2.87 eV
38
Properties Kimia liyane
Kimia Stabilitas, Corrosion, kebakar, ionisasi
Kimia Stabilitas, Flammability, ionisasi, kelarutan
atom Properties
Panggil atom
60
99+
20
99+
Konfigurasi elektron
[Xe] 4F 4 6s 2
[Ar] 4s 2
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Face tengah kubik (FCC)
Crystal pola
DHCP-Crystal-Structure-of-Neodymium.jpg#100
FCC-Crystal-Structure-of-Calcium.jpg#100
atom
Jumlah proton
60
99+
20
99+
Jumlah Neutron
84
40
20
99+
Jumlah Èlèktron
60
99+
20
99+
Radius saka Atom
Radius atom
181.00 pm
13
197.00 pm
6
kovalen Radius
201.00 pm
10
176.00 pm
22
Van der Waals Radius
229.00 pm
20
231.00 pm
19
Bobot atom
144.24 Amu
99+
40.08 Amu
99+
Volume atom
20.60 cm3 / mol
18
29.90 cm3 / mol
7
Nomer atom jejer
Potensi Valence Electron
43.40 (-eV)
99+
29.00 (-eV)
99+
Constant pola
365.80 pm
30
558.84 pm
9
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
7.01 g / cm 3
99+
1.55 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
6.89 g / cm3
36
1.38 g / cm3
99+
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)
21
25.50 (Pa)
3
Meksa beluk ing 2000 K
101.00 (Pa)
2
ora Sumadhiya
situs kelenturan
nyukur pengaturan
16.30 GPA
38
7.40 GPA
99+
pengaturan akeh
31.80 GPA
37
17.00 GPA
99+
Young kang pengaturan
41.40 GPA
40
20.00 GPA
99+
Poisson rasio
0.28
16
0.31
13
Properties Teknik liyane
NA
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
7.00
99+
4.58
99+
Nindakake Magnetic
paramagnetic
diamagnetic
Properties Listrik
Property Listrik
NA
Arman
resistivity
643.00 nΩ · m
6
33.60 nΩ · m
99+
konduktivitas listrik
0.02 10 6 / cm Ω
99+
0.30 10 6 / cm Ω
6
elektron Affinity
50.00 kJ / mol
21
2.37 kJ / mol
39
termal Properties
Kalor tartamtu
0.19 J / (kg K)
32
0.63 J / (kg K)
7
Graham Kapasitas kalor
27.45 J / mol · K
17
25.93 J / mol · K
34
doyo termal
16.50 W / m · K
99+
201.00 W / m · K
5
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
9.60 μm / (m · K)
99+
22.30 μm / (m · K)
19
enthalpy
Enthalpy panguapan
273.00 kJ / mol
34
150.00 kJ / mol
99+
Enthalpy saka Fusion
7.14 kJ / mol
99+
8.54 kJ / mol
99+
Enthalpy saka atomization
322.00 kJ / mol
32
184.00 kJ / mol
99+
Standard molar Entropy
71.50 J / mol.K
13
41.60 J / mol.K
36
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