calcium mungsuh prometium
Tabel périodik
Symbol
Ca
Pm
Panggil Group
2
16
ora Sumadhiya
Panggil periode
4
6
Block
s pemblokiran
pemblokiran f
Family unsur
alkalin bumi
lanthanide
CAS Number
7440702
21
7440122
99+
Jeneng papan Group
Fm_ 3M
ora Sumadhiya
Space Group Number
225.00
2
ora Sumadhiya
facts
Facts Interesting
- 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.
- metal Prometium ditemokaké ing pitchblende.
- Prometium logam logam Highly radioaktif.
sumber
bumi lemah ndhuwur, Found in Minerals, Mining, Ores saka Minerals
Found in Minerals, Mining
History
sing katutup
Humphry Davy
Chien Shiung Wu, Emilio Segrè, Hans Bethe
Discovery
ing taun 1808
ing taun 1942
turah mbrawah
Turah mbrawah Ing Universe
7 * 10-3 %
3
ora Sumadhiya
Turah mbrawah Ing Sun
~0.007 %
4
~-9999 %
Turah mbrawah Ing meteorit
1.10 %
4
ora Sumadhiya
Turah mbrawah Ing bumi lemah ndhuwur
5.00 %
3
ora Sumadhiya
Turah mbrawah Ing Segara
0.00 %
5
ora Sumadhiya
Turah mbrawah Ing Manungsa
1.40 %
1
ora Sumadhiya
ulah
Ulah lan Wuku
Character length exceed error
- 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
Industri Kimia
NA
Ulah Medical
Dentistry, Industry Pharmaceutical
NA
Ulah liyane
wesi
NA
Properties biologi
keracunan
non Toxic
non Toxic
Saiki ing badan Human
Ya
Ora
Sang
60.50 Sang / mg dm-3
4
0.00 Sang / mg dm-3
37
ing Bone
170,000.00 ppm
1
ora Sumadhiya
fisik Properties
leleh Point
839.00 ° C
99+
1,042.00 ° C
99+
Boiling Point
1,484.00 ° C
99+
3,000.00 ° C
31
katon
State fisik
Solid
Solid
warna
Gray
Unknown
luster
NA
metallic
atose
Mohs atose
1.75
17
ora Sumadhiya
Brinell atose
170.00 MPa
99+
ora Sumadhiya
Kacepetan swara
3,810.00 m / s
19
ora Sumadhiya
Properties Optical
allotropes
Ora
Ora
α allotropes
ora Sumadhiya
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β allotropes
ora Sumadhiya
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γ allotropes
ora Sumadhiya
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Kimia Properties
Formula Kimia
Ca
Pm
isotop
Isotop dikenal
19
20
27
12
keelektronegatifan
Pauling Elektronegativitas
1.00
99+
ora Sumadhiya
Sanderson Elektronegativitas
0.95
24
ora Sumadhiya
Allred Rochow Elektronegativitas
1.04
34
1.07
32
Mulliken-Jaffe Elektronegativitas
1.08
17
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Allen Elektronegativitas
1.03
39
ora Sumadhiya
Electropositivity
Pauling Electropositivity
3.00
9
ora Sumadhiya
tenogo ionisasi
Level Energy 1st
589.80 kJ / mol
99+
540.00 kJ / mol
99+
Level Energy 2
1,145.40 kJ / mol
99+
1,050.00 kJ / mol
99+
Level Energy 3rd
4,912.40 kJ / mol
7
2,150.00 kJ / mol
99+
Level Energy 4
6,491.00 kJ / mol
7
3,970.00 kJ / mol
38
Level Energy 5th
8,153.00 kJ / mol
7
ora Sumadhiya
Level Energy 6th
10,496.00 kJ / mol
8
ora Sumadhiya
tingkat Energy 7
12,270.00 kJ / mol
12
ora Sumadhiya
Level Energy 8
14,206.00 kJ / mol
15
ora Sumadhiya
Level Energy 9
18,191.00 kJ / mol
12
ora Sumadhiya
Level Energy 10th
20,385.00 kJ / mol
16
ora Sumadhiya
Level Energy 11
57,110.00 kJ / mol
3
ora Sumadhiya
Level Energy 12
63,410.00 kJ / mol
3
ora Sumadhiya
Level Energy 13
70,110.00 kJ / mol
3
ora Sumadhiya
Level Energy 14
78,890.00 kJ / mol
4
ora Sumadhiya
Level Energy 15
86,310.00 kJ / mol
5
ora Sumadhiya
Level Energy 16
94,000.00 kJ / mol
6
ora Sumadhiya
Level Energy 17
104,900.00 kJ / mol
7
ora Sumadhiya
Level Energy 18
111,711.00 kJ / mol
8
ora Sumadhiya
padha karo elektrokimia
0.75 g / amp-day
99+
1.80 g / amp-day
36
Fungsi Work elektron
2.87 eV
38
ora Sumadhiya
Properties Kimia liyane
Kimia Stabilitas, Flammability, ionisasi, kelarutan
ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
20
99+
61
99+
Konfigurasi elektron
[Ar] 4s 2
[Xe] 4F 5 6s 2
Struktur Crystal
Face tengah kubik (FCC)
Double Hexagonal Tutup dikempalken (DHCP)
Crystal pola
FCC-Crystal-Structure-of-Calcium.jpg#100
DHCP-Crystal-Structure-of-Promethium.jpg#100
atom
Jumlah proton
20
99+
61
99+
Jumlah Neutron
20
99+
84
40
Jumlah Èlèktron
20
99+
61
99+
Radius saka Atom
Radius atom
197.00 pm
6
183.00 pm
10
kovalen Radius
176.00 pm
22
199.00 pm
12
Van der Waals Radius
231.00 pm
19
236.00 pm
16
Bobot atom
40.08 Amu
99+
145.00 Amu
99+
Volume atom
29.90 cm3 / mol
7
22.39 cm3 / mol
12
Nomer atom jejer
Potensi Valence Electron
29.00 (-eV)
99+
44.10 (-eV)
39
Constant pola
558.84 pm
9
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
1.55 g / cm 3
99+
7.26 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
1.38 g / cm3
99+
ora Sumadhiya
Strength tensile
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viskositas
ora Sumadhiya
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meksa beluk
Meksa beluk ing 1000 K
25.50 (Pa)
3
ora Sumadhiya
situs kelenturan
nyukur pengaturan
7.40 GPA
99+
18.00 GPA
36
pengaturan akeh
17.00 GPA
99+
33.00 GPA
36
Young kang pengaturan
20.00 GPA
99+
46.00 GPA
38
Poisson rasio
0.31
13
0.28
17
Properties Teknik liyane
NA
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
4.58
99+
7.26
99+
Nindakake Magnetic
diamagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
33.60 nΩ · m
99+
0.75 nΩ · m
99+
konduktivitas listrik
0.30 10 6 / cm Ω
6
ora Sumadhiya
elektron Affinity
2.37 kJ / mol
39
50.00 kJ / mol
21
termal Properties
Kalor tartamtu
0.63 J / (kg K)
7
0.18 J / (kg K)
33
Graham Kapasitas kalor
25.93 J / mol · K
34
ora Sumadhiya
doyo termal
201.00 W / m · K
5
17.90 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
22.30 μm / (m · K)
19
9.00 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
150.00 kJ / mol
99+
ora Sumadhiya
Enthalpy saka Fusion
8.54 kJ / mol
99+
7.50 kJ / mol
99+
Enthalpy saka atomization
184.00 kJ / mol
99+
310.00 kJ / mol
34
Standard molar Entropy
41.60 J / mol.K
36
ora Sumadhiya
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