strontium mungsuh calcium
Tabel périodik
Symbol
Sr
Ca
Panggil Group
2
16
2
16
Panggil periode
5
4
Block
s pemblokiran
s pemblokiran
Family unsur
alkalin bumi
alkalin bumi
CAS Number
7440246
99+
7440702
21
Jeneng papan Group
Fm_ 3M
Fm_ 3M
Space Group Number
225.00
2
225.00
2
facts
Facts Interesting
- unsur strontium alus saka Calcium.
- Perak Strontium dadi kuning, yen kapapar online.
- 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, Ores saka Minerals
bumi lemah ndhuwur, Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
William Cruickshank
Humphry Davy
Discovery
ing 1787
ing taun 1808
turah mbrawah
Turah mbrawah Ing Universe
4 * 10-6 %
14
7 * 10-3 %
3
Turah mbrawah Ing Sun
~0.000005 %
15
~0.007 %
4
Turah mbrawah Ing meteorit
0.00 %
15
1.10 %
4
Turah mbrawah Ing bumi lemah ndhuwur
0.04 %
10
5.00 %
3
Turah mbrawah Ing Segara
0.00 %
4
0.00 %
5
Turah mbrawah Ing Manungsa
0.00 %
7
1.40 %
1
ulah
Ulah lan Wuku
Character length exceed error
Character length exceed error
Ulah Industrial
Industry amunisi, Industri Kimia
Industri Kimia
Ulah Medical
NA
Dentistry, Industry Pharmaceutical
Ulah liyane
wesi
wesi
Properties biologi
keracunan
non Toxic
non Toxic
Saiki ing badan Human
Ya
Ya
Sang
0.03 Sang / mg dm-3
19
60.50 Sang / mg dm-3
4
ing Bone
140.00 ppm
7
170,000.00 ppm
1
fisik Properties
leleh Point
769.00 ° C
99+
839.00 ° C
99+
Boiling Point
1,384.00 ° C
99+
1,484.00 ° C
99+
katon
State fisik
Solid
Solid
warna
perak Putih
Gray
luster
metallic
NA
atose
Mohs atose
1.50
18
1.75
17
Brinell atose
ora Sumadhiya
170.00 MPa
99+
Kacepetan swara
ora Sumadhiya
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
Sr
Ca
isotop
Isotop dikenal
27
12
19
20
keelektronegatifan
Pauling Elektronegativitas
0.95
99+
1.00
99+
Sanderson Elektronegativitas
0.72
27
0.95
24
Allred Rochow Elektronegativitas
0.99
37
1.04
34
Mulliken-Jaffe Elektronegativitas
1.00
18
1.08
17
Allen Elektronegativitas
0.96
40
1.03
39
Electropositivity
Pauling Electropositivity
3.05
7
3.00
9
tenogo ionisasi
Level Energy 1st
549.50 kJ / mol
99+
589.80 kJ / mol
99+
Level Energy 2
1,064.20 kJ / mol
99+
1,145.40 kJ / mol
99+
Level Energy 3rd
4,138.00 kJ / mol
10
4,912.40 kJ / mol
7
Level Energy 4
5,500.00 kJ / mol
13
6,491.00 kJ / mol
7
Level Energy 5th
6,910.00 kJ / mol
18
8,153.00 kJ / mol
7
Level Energy 6th
8,760.00 kJ / mol
18
10,496.00 kJ / mol
8
tingkat Energy 7
10,230.00 kJ / mol
19
12,270.00 kJ / mol
12
Level Energy 8
11,800.00 kJ / mol
19
14,206.00 kJ / mol
15
Level Energy 9
15,600.00 kJ / mol
17
18,191.00 kJ / mol
12
Level Energy 10th
17,100.00 kJ / mol
19
20,385.00 kJ / mol
16
Level Energy 11
31,270.00 kJ / mol
6
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
1.64 g / amp-day
99+
0.75 g / amp-day
99+
Fungsi Work elektron
2.59 eV
99+
2.87 eV
38
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
Kimia Stabilitas, Flammability, ionisasi, kelarutan
atom Properties
Panggil atom
38
99+
20
99+
Konfigurasi elektron
[Kr] 5S 2
[Ar] 4s 2
Struktur Crystal
Face tengah kubik (FCC)
Face tengah kubik (FCC)
Crystal pola
FCC-Crystal-Structure-of-Strontium.jpg#100
FCC-Crystal-Structure-of-Calcium.jpg#100
atom
Jumlah proton
38
99+
20
99+
Jumlah Neutron
50
99+
20
99+
Jumlah Èlèktron
38
99+
20
99+
Radius saka Atom
Radius atom
215.00 pm
5
197.00 pm
6
kovalen Radius
195.00 pm
15
176.00 pm
22
Van der Waals Radius
249.00 pm
7
231.00 pm
19
Bobot atom
87.62 Amu
99+
40.08 Amu
99+
Volume atom
33.70 cm3 / mol
6
29.90 cm3 / mol
7
Nomer atom jejer
Potensi Valence Electron
25.70 (-eV)
99+
29.00 (-eV)
99+
Constant pola
608.49 pm
6
558.84 pm
9
pola Angles
π/2, π/2, π/2
π/2, π/2, π/2
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
2.64 g / cm 3
99+
1.55 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
2.38 g / cm3
99+
1.38 g / cm3
99+
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
121.00 (Pa)
1
25.50 (Pa)
3
situs kelenturan
nyukur pengaturan
6.03 GPA
99+
7.40 GPA
99+
pengaturan akeh
ora Sumadhiya
17.00 GPA
99+
Young kang pengaturan
15.70 GPA
99+
20.00 GPA
99+
Poisson rasio
0.28
17
0.31
13
Properties Teknik liyane
NA
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
2.64
99+
4.58
99+
Nindakake Magnetic
paramagnetic
diamagnetic
Properties Listrik
Property Listrik
NA
Arman
resistivity
132.00 nΩ · m
24
33.60 nΩ · m
99+
konduktivitas listrik
0.08 10 6 / cm Ω
26
0.30 10 6 / cm Ω
6
elektron Affinity
5.03 kJ / mol
38
2.37 kJ / mol
39
termal Properties
Kalor tartamtu
0.30 J / (kg K)
18
0.63 J / (kg K)
7
Graham Kapasitas kalor
26.40 J / mol · K
28
25.93 J / mol · K
34
doyo termal
35.40 W / m · K
37
201.00 W / m · K
5
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
22.50 μm / (m · K)
18
22.30 μm / (m · K)
19
enthalpy
Enthalpy panguapan
150.00 kJ / mol
99+
150.00 kJ / mol
99+
Enthalpy saka Fusion
9.16 kJ / mol
38
8.54 kJ / mol
99+
Enthalpy saka atomization
163.20 kJ / mol
99+
184.00 kJ / mol
99+
Standard molar Entropy
55.00 J / mol.K
26
41.60 J / mol.K
36
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