Magnesium

Magnesium (Mg)

chemical element, symbol Mg and atomic number 12
Atomic Number12
Atomic Weight24.305
Nombor jisim24
Group2
Period3
Blocks
proton12 p+
neutron12 n0
Elektron12 e-
Animated Model Bohr of Mg (Magnesium)

Sifat Fizikal

Jejari Atom
molar volume
Jejari kovalen
Metallic Radius
ionic radius
Crystal Radius
Jejari van der Waals
ketumpatan
Atomic Radii Of The Elements: Magnesium0102030405060708090100110120130140150160170180pmJejari AtomJejari KovalenMetallic RadiusJejari van der Waals

Sifat Kimia

tenaga
proton affinity
Pertalian elektron
ionization energy
ionization energy of Mg (Magnesium)
Entalpi pengewapan
entalpi pelakuran
standard enthalpy of formation
Elektron
Petala elektron2, 8, 2
Model Bohr: Mg (Magnesium)
Elektron valens2
Teori ion Lewis: Mg (Magnesium)
tatarajah elektron[Ne] 3s2
1s2 2s2 2p6 3s2
Enhanced Model Bohr of Mg (Magnesium)
Orbital Diagram of Mg (Magnesium)
Keadaan pengoksidaan0, 1, 2
Keelektronegatifan
1.31
Electrophilicity Index
keadaan jirim asas
fasa jirimSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
rupa
warna
Silver
rupashiny grey solid
indeks biasan
sifat bahan
Thermal Conductivity
Pengembangan terma
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
Kekonduksian elektrik
Kerintangan dan kekonduksian elektrik
Kesuperkonduksian
kemagnetan
typeparamagnetic
magnetic susceptibility (Mass)
0.0000000069 m³/Kg
magnetic susceptibility (Molar)
0.000000000168 m³/mol
magnetic susceptibility (Volume)
0.000012
magnetic ordering
Suhu Curie
Néel temperature
struktur
Crystal StructureSimple Hexagonal (HEX)
lattice constant
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
Modulus pukal
shear modulus
Young's modulus
Nisbah Poisson
0.29
Kelajuan bunyi
pengelasan
CategoryAlkaline earth metals, Alkaline earth metals
CAS GroupIIA
IUPAC GroupIIA
Glawe Number73
Mendeleev Number76
Pettifor Number73
Geochemical Classmajor
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
0.063
Neutron Mass Absorption
0.0001
Nombor kuantum1S0
space group194 (P63/mmc)

Isotopes of Magnesium

Stable Isotopes3
Unstable Isotopes20
Natural Isotopes3
Isotopic Composition2478.96%2478.96%2611.02%2611.02%2510.01%2510.01%

19Mg

Nombor jisim19
nombor neutron7
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
5 ± 3 ps
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan2007
parity-

decay modeKeamatan (fizik)
2p (2-proton emission)100%

20Mg

Nombor jisim20
nombor neutron8
Jisim Atom Relatif
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
90.4 ± 0.5 ms
Spin0
nuclear quadrupole moment
0
tarikh penemuan1974
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)30.3%

21Mg

Nombor jisim21
nombor neutron9
Jisim Atom Relatif
g-factor
-0.3932 ± 0.0028
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
120 ± 0.4 ms
Spin5/2
nuclear quadrupole moment
tarikh penemuan1963
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)20.1%
β+α (β+-delayed α emission)0.116%
B+pA0.016%

22Mg

Nombor jisim22
nombor neutron10
Jisim Atom Relatif
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
3.8745 ± 0.0007 s
Spin0
nuclear quadrupole moment
0
tarikh penemuan1961
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

23Mg

Nombor jisim23
nombor neutron11
Jisim Atom Relatif
g-factor
-0.35753333333333 ± 0.0002
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
11.3039 ± 0.0032 s
Spin3/2
nuclear quadrupole moment
0.114 ± 0.003
tarikh penemuan1939
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

24Mg

Nombor jisim24
nombor neutron12
Jisim Atom Relatif
g-factor
0
natural abundance
78.965 ± 0.049
Reputan radioaktifIsotop stabil
setengah hayatNot Radioactive ☢️
Spin0
nuclear quadrupole moment
0
tarikh penemuan1920
parity+

25Mg

Nombor jisim25
nombor neutron13
Jisim Atom Relatif
g-factor
-0.342132 ± 0.000012
natural abundance
10.011 ± 0.013
Reputan radioaktifIsotop stabil
setengah hayatNot Radioactive ☢️
Spin5/2
nuclear quadrupole moment
0.199 ± 0.002
tarikh penemuan1920
parity+

26Mg

Nombor jisim26
nombor neutron14
Jisim Atom Relatif
g-factor
0
natural abundance
11.025 ± 0.038
Reputan radioaktifIsotop stabil
setengah hayatNot Radioactive ☢️
Spin0
nuclear quadrupole moment
0
tarikh penemuan1920
parity+

27Mg

Nombor jisim27
nombor neutron15
Jisim Atom Relatif
g-factor
-0.8212 ± 0.003
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
9.435 ± 0.027 m
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1934
parity+

decay modeKeamatan (fizik)
β (β decay)100%

28Mg

Nombor jisim28
nombor neutron16
Jisim Atom Relatif
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
20.915 ± 0.009 h
Spin0
nuclear quadrupole moment
0
tarikh penemuan1953
parity+

decay modeKeamatan (fizik)
β (β decay)100%

29Mg

Nombor jisim29
nombor neutron17
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
1.3 ± 0.12 s
Spin3/2
nuclear quadrupole moment
-0.16 ± 0.04
tarikh penemuan1971
parity+

decay modeKeamatan (fizik)
β (β decay)100%

30Mg

Nombor jisim30
nombor neutron18
Jisim Atom Relatif
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
317 ± 4 ms
Spin0
nuclear quadrupole moment
0
tarikh penemuan1971
parity+

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)0.06%

31Mg

Nombor jisim31
nombor neutron19
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
270 ± 2 ms
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1977
parity+

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)6.2%

32Mg

Nombor jisim32
nombor neutron20
Jisim Atom Relatif
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
80.4 ± 0.4 ms
Spin0
nuclear quadrupole moment
0
tarikh penemuan1977
parity+

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)5.5%

33Mg

Nombor jisim33
nombor neutron21
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
92 ± 1.2 ms
Spin3/2
nuclear quadrupole moment
0.13 ± 0.09
tarikh penemuan1979
parity-

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)14%
2n (2-neutron emission)

34Mg

Nombor jisim34
nombor neutron22
Jisim Atom Relatif
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
44.9 ± 0.4 ms
Spin0
nuclear quadrupole moment
0
tarikh penemuan1979
parity+

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)21%
2n (2-neutron emission)0.1%

35Mg

Nombor jisim35
nombor neutron23
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
11.3 ± 0.6 ms
Spin3/2
nuclear quadrupole moment
tarikh penemuan1989
parity-

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)52%
2n (2-neutron emission)

36Mg

Nombor jisim36
nombor neutron24
Jisim Atom Relatif
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
3.9 ± 1.3 ms
Spin0
nuclear quadrupole moment
0
tarikh penemuan1989
parity+

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)48%
2n (2-neutron emission)

37Mg

Nombor jisim37
nombor neutron25
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
8 ± 4 ms
Spin3/2
nuclear quadrupole moment
tarikh penemuan1996
parity-

decay modeKeamatan (fizik)
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)

38Mg

Nombor jisim38
nombor neutron26
Jisim Atom Relatif
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin0
nuclear quadrupole moment
0
tarikh penemuan1997
parity+

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

39Mg

Nombor jisim39
nombor neutron27
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin7/2
nuclear quadrupole moment
tarikh penemuan
parity-

decay modeKeamatan (fizik)
n (neutron emission)
β (β decay)

40Mg

Nombor jisim40
nombor neutron28
Jisim Atom Relatif
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin0
nuclear quadrupole moment
0
tarikh penemuan2007
parity+

decay modeKeamatan (fizik)
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)

41Mg

Nombor jisim41
nombor neutron29
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin3/2
nuclear quadrupole moment
tarikh penemuan
parity-

decay modeKeamatan (fizik)
β (β decay)
β n (β-delayed neutron emission)
Magnesium crystals

sejarah

penemu atau perekaSir Humphrey Davy
tempat penemuanEngland
tarikh penemuan1808
EtimologiFrom Magnesia ancient city in district of Thessaly, Greece.
sebutanmag-NEE-zih-em (Inggeris)

sumber

Abundance
Abundance in Earth's crust
natural abundance (lautan)
natural abundance (Tubuh manusia)
0.027 %
natural abundance (Meteoroid)
12 %
natural abundance (Matahari)
0.07 %
Abundance in Universe
0.06 %

Nuclear Screening Constants

1s0.3911
2p4.1742
2s4.608
3s8.6925