Symbol
Ca
Hf
Panggil Group
24
0
17
👆🏻
Panggil periode
46
2
7
👆🏻
Block
s pemblokiran
d block
Family unsur
alkalin bumi
transisi Metal
CAS Number
74407027440586
7429905
54386242
👆🏻
Jeneng papan Group
Fm_ 3M
P63 / mmc
Space Group Number
225.00194.00
11
276
👆🏻
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.
- Hafnium logam reaktif, Empu ora ketemu gratis ing alam.
- metal Hafnium minangka predicated sawise Mendeleev rampung tabel périodik kang.
sumber
bumi lemah ndhuwur, Found in Minerals, Mining, Ores saka Minerals
Miturut-produk Nyaring panggolekan Zirconium
History
sing katutup
Humphry Davy
Dirk Coster and George de Hevesy
Discovery
ing taun 1808
ing taun 1922
turah mbrawah
Turah mbrawah Ing Universe
0.01 %0.00 %
0
0.11
👆🏻
Turah mbrawah Ing Sun
0.01 %0.00 %
0
0.1
👆🏻
Turah mbrawah Ing meteorit
1.10 %0.00 %
0
22
👆🏻
Turah mbrawah Ing bumi lemah ndhuwur
5.00 %0.00 %
1E-37
8.1
👆🏻
Turah mbrawah Ing Segara
0.00 %0.00 %
0
1.1
👆🏻
Turah mbrawah Ing Manungsa
1.40 %0.00 %
0
1.4
👆🏻
Ulah lan Wuku
- Iki digunakake minangka agen ngurangi nalika nyiapake logam kaya thorium lan uranium. Uga digunakake minangka agen paduan kanggo logam kayata aluminium, tembaga lan timbal.
- Kalsium karbonat utawa watu gamping digunakake ing semen.
- Nduwe kemampuan kanggo nyerep neutron lan mula digunakake kanggo nggawe rod kontrol ing kapal selam nuklir. Lan logam iki uga digunakake ing obor welding Plasma.
- Iku wesi karo wesi, titanium lan niobium banget migunani.
Ulah Industrial
Industri Kimia
Industry amunisi
Ulah Medical
Dentistry, Industry Pharmaceutical
-
Ulah liyane
wesi
wesi, Ing Reactors Nuclear, Nuclear Riset, tujuan Research
Properties biologi
keracunan
non Toxic
Toxic
Saiki ing badan Human
Ya
Ora
Sang
60.50 Sang / mg dm-30.00 Sang / mg dm-3
0
1970
👆🏻
ing Bone
170,000.00 ppm0.00 ppm
0
170000
👆🏻
leleh Point
839.00 ° C2,150.00 ° C
-38.83
3410
👆🏻
Boiling Point
1,484.00 ° C5,400.00 ° C
0
5660
👆🏻
katon
State fisik
Solid
Solid
warna
Gray
Gray
luster
-
metallic
atose
Mohs atose
1.755.50
0.2
8.5
👆🏻
Brinell atose
170.00 MPa1,450.00 MPa
0.14
3490
👆🏻
Vickers atose
170.00 MPa1,520.00 MPa
0
3920
👆🏻
Kacepetan swara
3,810.00 m / s3,010.00 m / s
818
16200
👆🏻
Properties Optical
bias Index
1.542.00
0.155
3.41
👆🏻
reflectivity
60.00 %71.00 %
5
97
👆🏻
allotropes
Ora
Ora
α allotropes
-
-
β allotropes
-
-
γ allotropes
-
-
Formula Kimia
Ca
Hf
isotop
Isotop dikenal
1932
0
38
👆🏻
keelektronegatifan
Pauling Elektronegativitas
1.001.30
0
2.6
👆🏻
Sanderson Elektronegativitas
0.951.30
0.22
2.56
👆🏻
Allred Rochow Elektronegativitas
1.041.23
0.86
1.9
👆🏻
Mulliken-Jaffe Elektronegativitas
1.081.30
0.62
2.48
👆🏻
Allen Elektronegativitas
1.031.16
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
3.002.70
1.46
3.3
👆🏻
tenogo ionisasi
Level Energy 1st
589.80 kJ / mol658.50 kJ / mol
375.7
26130
👆🏻
Level Energy 2
1,145.40 kJ / mol1,440.00 kJ / mol
392.8
28750
👆🏻
Level Energy 3rd
4,912.40 kJ / mol2,250.00 kJ / mol
392.8
34230
👆🏻
Level Energy 4
6,491.00 kJ / mol3,216.00 kJ / mol
375.7
37066
👆🏻
Level Energy 5th
8,153.00 kJ / mol6,585.00 kJ / mol
392
97510
👆🏻
Level Energy 6th
10,496.00 kJ / mol6,585.00 kJ / mol
1007
105800
👆🏻
tingkat Energy 7
12,270.00 kJ / mol6,580.00 kJ / mol
1007
114300
👆🏻
Level Energy 8
14,206.00 kJ / mol6,580.00 kJ / mol
730
125300
👆🏻
Level Energy 9
18,191.00 kJ / mol6,585.00 kJ / mol
1007
134700
👆🏻
Level Energy 10th
20,385.00 kJ / mol6,590.00 kJ / mol
392
144300
👆🏻
Level Energy 11
57,110.00 kJ / mol6,585.00 kJ / mol
392
169988
👆🏻
Level Energy 12
63,410.00 kJ / mol6,580.00 kJ / mol
0
189368
👆🏻
Level Energy 13
70,110.00 kJ / mol6,580.00 kJ / mol
1007
76015
👆🏻
Level Energy 14
78,890.00 kJ / mol658.50 kJ / mol
380
86450
👆🏻
Level Energy 15
86,310.00 kJ / mol65,800.00 kJ / mol
33000
100700
👆🏻
Level Energy 16
94,000.00 kJ / mol658.50 kJ / mol
375.7
109480
👆🏻
Level Energy 17
104,900.00 kJ / mol658.50 kJ / mol
375.7
122200
👆🏻
Level Energy 18
111,711.00 kJ / mol6,585.00 kJ / mol
0
134810
👆🏻
Level Energy 19
590.60 kJ / mol658.50 kJ / mol
375.7
148700
👆🏻
Level Energy 20
590.00 kJ / mol658.00 kJ / mol
0
171200
👆🏻
Level Energy 21
590.60 kJ / mol658.50 kJ / mol
375.7
179100
👆🏻
Level Energy 22
590.00 kJ / mol658.00 kJ / mol
330
184900
👆🏻
Level Energy 23rd
590.60 kJ / mol658.50 kJ / mol
357.6
198800
👆🏻
Level Energy 24
590.60 kJ / mol658.50 kJ / mol
297.3
195200
👆🏻
Level Energy 25th
590.00 kJ / mol658.00 kJ / mol
0
121900
👆🏻
Level Energy 26th
590.60 kJ / mol658.50 kJ / mol
357.6
127700
👆🏻
Level Energy 27th
590.60 kJ / mol658.50 kJ / mol
0
133800
👆🏻
Level Energy 28th
590.60 kJ / mol658.50 kJ / mol
297.3
139800
👆🏻
Level Energy 29
590.60 kJ / mol658.50 kJ / mol
0
148100
👆🏻
Level Energy 30
590.00 kJ / mol658.00 kJ / mol
0
154500
👆🏻
padha karo elektrokimia
0.75 g / amp-day1.66 g / amp-day
0.16812
8.3209
👆🏻
Fungsi Work elektron
2.87 eV3.90 eV
2.14
6
👆🏻
Properties Kimia liyane
Kimia Stabilitas, Flammability, ionisasi, kelarutan
anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
Panggil atom
2072
3
117
👆🏻
Konfigurasi elektron
[Ar] 4s 2
[Xe] 4F 14 5d 2 6s 2
Struktur Crystal
Face tengah kubik (FCC)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
atom
Jumlah proton
2072
3
117
👆🏻
Jumlah Neutron
20106
4
285
👆🏻
Jumlah Èlèktron
2072
3
117
👆🏻
Radius saka Atom
Radius atom
197.00 pm159.00 pm
0
348
👆🏻
kovalen Radius
176.00 pm175.00 pm
0
260
👆🏻
Van der Waals Radius
231.00 pm200.00 pm
0
348
👆🏻
Bobot atom
40.08 Amu178.49 Amu
6.94
294
👆🏻
Volume atom
29.90 cm3 / mol13.60 cm3 / mol
1.39
71.07
👆🏻
Nomer atom jejer
unsur Previous
Sabanjure unsur
Potensi Valence Electron
29.00 (-eV)81.00 (-eV)
0
392.42
👆🏻
Constant pola
558.84 pm319.64 pm
0
891.25
👆🏻
pola Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
Pola C / A rasio
1.551.58
0.423
1.9
👆🏻
Kapadhetan
Kapadhetan Ing suhu kamar
1.55 g / cm 313.31 g / cm 3
0.534
40.7
👆🏻
Kapadhetan Nalika Liquid (ing mp)
1.38 g / cm312.00 g / cm3
0.512
41
👆🏻
Strength tensile
20.00 MPa445.00 MPa
0.1
11000
👆🏻
viskositas
0.000.00
1.5E-05
0.0035
👆🏻
meksa beluk
Meksa beluk ing 1000 K
25.50 (Pa)0.00 (Pa)
0
121
👆🏻
Meksa beluk ing 2000 K
0.00 (Pa)0.00 (Pa)
0
774
👆🏻
situs kelenturan
nyukur pengaturan
7.40 GPA30.00 GPA
1.3
222
👆🏻
pengaturan akeh
17.00 GPA110.00 GPA
0
462
👆🏻
Young kang pengaturan
20.00 GPA78.00 GPA
0
528
👆🏻
Poisson rasio
0.310.37
0.032
0.47
👆🏻
Properties Teknik liyane
-
ductile, malleable
Ciri Magnetic
Gravitasi tartamtu
4.5813.31
0.53
4500
👆🏻
Nindakake Magnetic
diamagnetic
paramagnetic
permeabilitas
0.00 H / m0.00 H / m
1.25643E-06
0.0063
👆🏻
kelemahan
0.000.00
-0.000166
200000
👆🏻
Properties Listrik
Property Listrik
Arman
Arman
resistivity
33.60 nΩ · m331.00 nΩ · m
0.1
961
👆🏻
konduktivitas listrik
0.30 10 6 / cm Ω0.03 10 6 / cm Ω
0
0.63
👆🏻
elektron Affinity
2.37 kJ / mol0.00 kJ / mol
0
222.8
👆🏻
Kalor tartamtu
0.63 J / (kg K)0.14 J / (kg K)
0.1
3.6
👆🏻
Graham Kapasitas kalor
25.93 J / mol · K25.73 J / mol · K
13.1
62.7
👆🏻
doyo termal
201.00 W / m · K23.00 W / m · K
0
429
👆🏻
suhu kritis
1,115.00 K2,500.00 K
26.3
3695
👆🏻
Expansion termal
22.30 μm / (m · K)5.90 μm / (m · K)
4.5
97
👆🏻
enthalpy
Enthalpy panguapan
150.00 kJ / mol661.10 kJ / mol
7.32
799.1
👆🏻
Enthalpy saka Fusion
8.54 kJ / mol25.10 kJ / mol
2.1
35.23
👆🏻
Enthalpy saka atomization
184.00 kJ / mol703.00 kJ / mol
61.5
837
👆🏻
Standard molar Entropy
41.60 J / mol.K43.60 J / mol.K
9.5
198.1
👆🏻