Magnezyûm

Magnezyûm (Mg)

chemical element, symbol Mg and atomic number 12
Atomic Number12
Atomic Weight24.305
Hejmara baristeyî24
Group2
Period3
Blocks
Proton12 p+
Notron12 n0
Kareva12 e-
Animated Bohr model of Mg (Magnezyûm)

Physical Property

Atomic Radius
150 pm
molar volume
Covalent Radius
139 pm
Metallic Radius
136 pm
ionic radius
57 pm
Crystal Radius
71 pm
Van der Waals radius
173 pm
density
1,74 g/cm³
Atomic Radii Of The Elements: Magnezyûm0102030405060708090100110120130140150160170180pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

wize
proton affinity
819,6 kJ/mol
electron affinity
ionization energy
7,646235 eV/particle
ionization energy of Mg (Magnezyûm)
enthalpy of vaporization
131,8 kJ/mol
enthalpy of fusion
9,2 kJ/mol
standard enthalpy of formation
147,1 kJ/mol
Kareva
electron shell2, 8, 2
Bohr model: Mg (Magnezyûm)
valence electron2
Lewis structure: Mg (Magnezyûm)
electron configuration[Ne] 3s2
1s2 2s2 2p6 3s2
Enhanced Bohr model of Mg (Magnezyûm)
Orbital Diagram of Mg (Magnezyûm)
oxidation number0, 1, 2
electronegativity
1.31
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
1.363,15 K
Melting Point
923,15 K
critical pressure
critical temperature
triple point
appearance
color
Silver
appearanceshiny grey solid
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
0,0000248 1/K
molar heat capacity
24,869 J/(mol K)
Specific Heat Capacity
1,023 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
23 MS/m
electrical resistivity
0,00000004399999999999 m Ω
superconductivity
magnetism
typeparamagnetic
magnetic susceptibility (Mass)
0,0000000069 m³/Kg
magnetic susceptibility (Molar)
0,000000000168 m³/mol
magnetic susceptibility (Volume)
0,000012
magnetic ordering
Germahiya Curie
Néel temperature
pêkhate
Crystal StructureSimple Hexagonal (HEX)
lattice constant
3,21 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
2,5 MPa
bulk modulus
45 GPa
shear modulus
17 GPa
Young's modulus
45 GPa
Poisson's ratio
0,29
Leza dengê
4.602 m/s
classification
CategoryAlkaline earth metals, Alkaline earth metals
CAS GroupIIA
IUPAC GroupIIA
Glawe Number73
Mendeleev Number76
Pettifor Number73
Geochemical Classmajor
Goldschmidt classificationlitophile

other

Gas Basicity
797,3 kJ/mol
polarizability
71,2 ± 0,4 a₀
C6 Dispersion Coefficient
626 a₀
allotrope
Neutron cross section
0,063
Neutron Mass Absorption
0,0001
quantum number1S0
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

Hejmara baristeyî19
neutron number7
Giraniya atomê
19,03417992 ± 0,000064413 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
5 ± 3 ps
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê2007
parity-

decay modeintensity
2p (2-proton emission)100%

20Mg

Hejmara baristeyî20
neutron number8
Giraniya atomê
20,018763075 ± 0,000002 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
90,4 ± 0,5 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1974
parity+

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

21Mg

Hejmara baristeyî21
neutron number9
Giraniya atomê
21,011705764 ± 0,00000081 Da
g-factor
-0,3932 ± 0,0028
natural abundance
radioactivity☢️ radioactive element
half-life
120 ± 0,4 ms
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1963
parity+

decay modeintensity
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

Hejmara baristeyî22
neutron number10
Giraniya atomê
21,999570597 ± 0,00000017 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
3,8745 ± 0,0007 s
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1961
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

23Mg

Hejmara baristeyî23
neutron number11
Giraniya atomê
22,994123768 ± 0,000000034 Da
g-factor
-0,35753333333333 ± 0,0002
natural abundance
radioactivity☢️ radioactive element
half-life
11,3039 ± 0,0032 s
spin3/2
nuclear quadrupole moment
0,114 ± 0,003
dema îcadkirinê yan keşfê1939
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

24Mg

Hejmara baristeyî24
neutron number12
Giraniya atomê
23,985041689 ± 0,000000013 Da
g-factor
0
natural abundance
78,965 ± 0,049
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1920
parity+

25Mg

Hejmara baristeyî25
neutron number13
Giraniya atomê
24,985836966 ± 0,00000005 Da
g-factor
-0,342132 ± 0,000012
natural abundance
10,011 ± 0,013
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin5/2
nuclear quadrupole moment
0,199 ± 0,002
dema îcadkirinê yan keşfê1920
parity+

26Mg

Hejmara baristeyî26
neutron number14
Giraniya atomê
25,982592972 ± 0,000000031 Da
g-factor
0
natural abundance
11,025 ± 0,038
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1920
parity+

27Mg

Hejmara baristeyî27
neutron number15
Giraniya atomê
26,984340647 ± 0,00000005 Da
g-factor
-0,8212 ± 0,003
natural abundance
radioactivity☢️ radioactive element
half-life
9,435 ± 0,027 m
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1934
parity+

decay modeintensity
β (β decay)100%

28Mg

Hejmara baristeyî28
neutron number16
Giraniya atomê
27,983875426 ± 0,00000028 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
20,915 ± 0,009 h
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1953
parity+

decay modeintensity
β (β decay)100%

29Mg

Hejmara baristeyî29
neutron number17
Giraniya atomê
28,988607163 ± 0,000000369 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,3 ± 0,12 s
spin3/2
nuclear quadrupole moment
-0,16 ± 0,04
dema îcadkirinê yan keşfê1971
parity+

decay modeintensity
β (β decay)100%

30Mg

Hejmara baristeyî30
neutron number18
Giraniya atomê
29,990465454 ± 0,00000139 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
317 ± 4 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1971
parity+

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

31Mg

Hejmara baristeyî31
neutron number19
Giraniya atomê
30,996648232 ± 0,0000033 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
270 ± 2 ms
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1977
parity+

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

32Mg

Hejmara baristeyî32
neutron number20
Giraniya atomê
31,999110138 ± 0,0000035 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
80,4 ± 0,4 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1977
parity+

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

33Mg

Hejmara baristeyî33
neutron number21
Giraniya atomê
33,005327862 ± 0,000002859 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
92 ± 1,2 ms
spin3/2
nuclear quadrupole moment
0,13 ± 0,09
dema îcadkirinê yan keşfê1979
parity-

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

34Mg

Hejmara baristeyî34
neutron number22
Giraniya atomê
34,008935455 ± 0,0000074 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
44,9 ± 0,4 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1979
parity+

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

35Mg

Hejmara baristeyî35
neutron number23
Giraniya atomê
35,01679 ± 0,0002895 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
11,3 ± 0,6 ms
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1989
parity-

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

36Mg

Hejmara baristeyî36
neutron number24
Giraniya atomê
36,021879 ± 0,000741 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
3,9 ± 1,3 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1989
parity+

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

37Mg

Hejmara baristeyî37
neutron number25
Giraniya atomê
37,030286265 ± 0,00075035 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
8 ± 4 ms
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1996
parity-

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)

38Mg

Hejmara baristeyî38
neutron number26
Giraniya atomê
38,03658 ± 0,00054 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1997
parity+

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

39Mg

Hejmara baristeyî39
neutron number27
Giraniya atomê
39,045921 ± 0,000551 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê
parity-

decay modeintensity
n (neutron emission)
β (β decay)

40Mg

Hejmara baristeyî40
neutron number28
Giraniya atomê
40,053194 ± 0,000537 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê2007
parity+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)

41Mg

Hejmara baristeyî41
neutron number29
Giraniya atomê
41,062373 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê
parity-

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
Magnesium crystals

dîrok

kaşîf an îcadkerSir Humphrey Davy
location of discoveryEngland
dema îcadkirinê yan keşfê1808
BêjenasîFrom Magnesia ancient city in district of Thessaly, Greece.
pronunciationmag-NEE-zih-em (îngilîzî)

source

Abundance
Abundance in Earth's crust
23.300 mg/kg
natural abundance (Okyanûs)
1.290 mg/L
natural abundance (human body)
0,027 %
natural abundance (meteoroid)
12 %
natural abundance (Roj)
0,07 %
Abundance in Universe
0,06 %

Nuclear Screening Constants

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