mbandhingaké kalium lan Magnesium
Tabel périodik
Symbol
K
Mg
Panggil Group
1
17
2
16
Panggil periode
4
3
Block
s pemblokiran
s pemblokiran
Family unsur
alkali
alkalin bumi
CAS Number
7440097
99+
7439954
99+
Jeneng papan Group
3M Im_
P63 / mmc
Space Group Number
229.00
1
194.00
5
facts
Facts Interesting
- Ing dhaptar paling unsur KALUBÈRAN kalium wis ditingkat 7th.
- Kalium bisa gampang ngiris (disigar) mudhun nggunakake piso.
- ion Magnesium sing saiki ing saben chlorophyll saka tetuwuhan ijo.
- Ngontrol Magnesium geni dening pouring banyu ing bab iku bakal ngakibataké jeblugan.
sumber
Found in Minerals, Mining
Miturut Process electrolysis, Ocean, Mining
History
sing katutup
Humphry Davy
Joseph Black
Discovery
1807
ing taun 1755
turah mbrawah
Turah mbrawah Ing Universe
3 * 10-4 %
9
6 * 10-2 %
2
Turah mbrawah Ing Sun
~0.0004 %
9
~0.07 %
2
Turah mbrawah Ing meteorit
0.07 %
9
12.00 %
2
Turah mbrawah Ing bumi lemah ndhuwur
1.50 %
6
2.90 %
4
Turah mbrawah Ing Segara
0.04 %
3
0.13 %
2
Turah mbrawah Ing Manungsa
0.20 %
2
0.03 %
4
ulah
Ulah lan Wuku
- 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.
- alloy Magnesium aluminium mbenakake mechanical kekuatan lan welding ciri lan Empu kang digunakake ing pesawat lan mobil Manufaktur.
- Sampeyan uga dipigunakaké kanggo mbusak belerang saka wesi molten lan baja.
Ulah Industrial
Industry amunisi, Industri Kimia
Industry Aerospace, Industry amunisi, Industry automobile, Industri Kimia, Industry Pharmaceutical
Ulah Medical
Industry Pharmaceutical
NA
Ulah liyane
NA
Surgical Instruments Manufacturing
Properties biologi
keracunan
Toxic
non Toxic
Saiki ing badan Human
Ya
Ya
Sang
1,620.00 Sang / mg dm-3
2
37.80 Sang / mg dm-3
5
ing Bone
2,100.00 ppm
3
1,800.00 ppm
4
fisik Properties
leleh Point
63.65 ° C
99+
650.00 ° C
99+
Boiling Point
774.00 ° C
99+
1,107.00 ° C
99+
katon
State fisik
Solid
Solid
warna
perak Gray
Gray
luster
NA
NA
atose
Mohs atose
0.40
23
2.50
14
Brinell atose
0.36 MPa
99+
260.00 MPa
36
Kacepetan swara
2,000.00 m / s
99+
4,940.00 m / s
11
Properties Optical
reflectivity
ora Sumadhiya
74.00 %
7
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
K
Mg
isotop
Isotop dikenal
20
19
15
24
keelektronegatifan
Pauling Elektronegativitas
0.82
99+
1.31
31
Sanderson Elektronegativitas
0.45
31
1.32
18
Allred Rochow Elektronegativitas
0.91
39
1.23
25
Mulliken-Jaffe Elektronegativitas
0.73
23
1.37
16
Allen Elektronegativitas
0.73
99+
1.29
35
Electropositivity
Pauling Electropositivity
3.18
3
2.69
23
tenogo ionisasi
Level Energy 1st
418.80 kJ / mol
99+
737.70 kJ / mol
24
Level Energy 2
3,052.00 kJ / mol
5
1,450.70 kJ / mol
99+
Level Energy 3rd
4,420.00 kJ / mol
8
7,732.70 kJ / mol
5
Level Energy 4
5,877.00 kJ / mol
9
10,542.50 kJ / mol
4
Level Energy 5th
7,975.00 kJ / mol
8
13,630.00 kJ / mol
3
Level Energy 6th
9,590.00 kJ / mol
13
18,020.00 kJ / mol
3
tingkat Energy 7
11,343.00 kJ / mol
17
21,711.00 kJ / mol
3
Level Energy 8
14,944.00 kJ / mol
13
25,661.00 kJ / mol
3
Level Energy 9
16,963.70 kJ / mol
15
31,653.00 kJ / mol
3
Level Energy 10th
48,610.00 kJ / mol
3
35,458.00 kJ / mol
5
Level Energy 11
54,490.00 kJ / mol
4
169,988.00 kJ / mol
1
Level Energy 12
60,730.00 kJ / mol
4
189,368.00 kJ / mol
1
Level Energy 13
68,950.00 kJ / mol
4
ora Sumadhiya
Level Energy 14
75,900.00 kJ / mol
5
ora Sumadhiya
Level Energy 15
83,080.00 kJ / mol
6
ora Sumadhiya
Level Energy 16
93,400.00 kJ / mol
7
ora Sumadhiya
Level Energy 17
99,710.00 kJ / mol
8
ora Sumadhiya
padha karo elektrokimia
1.46 g / amp-day
99+
0.45 g / amp-day
99+
Fungsi Work elektron
2.30 eV
99+
3.66 eV
29
Properties Kimia liyane
Kimia Stabilitas, Flammability, ionisasi, kelarutan
Corrosion, Highly Inflammable, ionisasi, kelarutan
atom Properties
Panggil atom
19
99+
12
99+
Konfigurasi elektron
[Ar] 4s 1
[Ne] 3s 2
Struktur Crystal
Body tengah kubik (Bcc)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
BCC-Crystal-Structure-.jpg#100
HCP-Crystal-Structure-of-Magnesium.jpg#100
atom
Jumlah proton
19
99+
12
99+
Jumlah Neutron
20
99+
12
99+
Jumlah Èlèktron
19
99+
12
99+
Radius saka Atom
Radius atom
227.00 pm
3
160.00 pm
27
kovalen Radius
203.00 pm
9
141.00 pm
99+
Van der Waals Radius
275.00 pm
5
173.00 pm
37
Bobot atom
39.10 Amu
99+
24.31 Amu
99+
Volume atom
45.46 cm3 / mol
3
13.97 cm3 / mol
37
Nomer atom jejer
Potensi Valence Electron
10.40 (-eV)
99+
40.00 (-eV)
99+
Constant pola
532.80 pm
12
320.94 pm
99+
pola Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
0.86 g / cm 3
99+
1.74 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
0.83 g / cm3
99+
1.58 g / cm3
99+
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
situs kelenturan
nyukur pengaturan
1.30 GPA
99+
17.00 GPA
37
pengaturan akeh
3.10 GPA
99+
45.00 GPA
25
Young kang pengaturan
3.53 GPA
99+
45.00 GPA
39
Poisson rasio
ora Sumadhiya
0.29
15
Properties Teknik liyane
NA
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
0.86
99+
1.74
99+
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
72.00 nΩ · m
37
43.90 nΩ · m
99+
konduktivitas listrik
0.14 10 6 / cm Ω
14
0.23 10 6 / cm Ω
7
elektron Affinity
48.40 kJ / mol
22
0.00 kJ / mol
40
termal Properties
Kalor tartamtu
0.75 J / (kg K)
6
1.02 J / (kg K)
4
Graham Kapasitas kalor
29.60 J / mol · K
6
24.87 J / mol · K
99+
doyo termal
102.50 W / m · K
15
156.00 W / m · K
8
suhu kritis
2,223.00 K
3
ora Sumadhiya
Expansion termal
83.30 μm / (m · K)
3
24.80 μm / (m · K)
15
enthalpy
Enthalpy panguapan
77.50 kJ / mol
99+
128.70 kJ / mol
99+
Enthalpy saka Fusion
2.32 kJ / mol
99+
8.95 kJ / mol
39
Enthalpy saka atomization
89.50 kJ / mol
99+
148.50 kJ / mol
99+
Standard molar Entropy
64.70 J / mol.K
18
32.70 J / mol.K
99+
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