Magnesioa

Magnesioa (Mg)

12 zenbaki atomikoa duen elementu kimikoa
Atomic Number12
Atomic Weight24.305
masa-zenbaki24
Group2
Period3
Blocks
protoi12 p+
neutroi12 n0
elektroi12 e-
Animated Bohrren eredu atomikoa of Mg (Magnesioa)

Propietate Fisiko

Erradio Atomiko
150 pm
bolumen molar
Erradio Kobalente
139 pm
Metallic Radius
136 pm
Erradio ioniko
57 pm
Crystal Radius
71 pm
Van der Waalsen erradio
173 pm
dentsitatea
1,74 g/cm³
Atomic Radii Of The Elements: Magnesioa0102030405060708090100110120130140150160170180pmErradio AtomikoErradio KobalenteMetallic RadiusVan der Waalsen erradio

Magnitude Fisiko

energia
proton affinity
819,6 kJ/mol
Afinitate elektroniko
ionizazio energia
7,646235 eV/particle
ionizazio energia of Mg (Magnesioa)
Irakite-entalpia
131,8 kJ/mol
urtze-entalpia
9,2 kJ/mol
formazio entalpia estandarra
147,1 kJ/mol
elektroi
elektroi geruza2, 8, 2
Bohrren eredu atomikoa: Mg (Magnesioa)
balentzia-elektroi2
Lewis egitura: Mg (Magnesioa)
electron configuration[Ne] 3s2
1s2 2s2 2p6 3s2
Enhanced Bohrren eredu atomikoa of Mg (Magnesioa)
Orbital Diagram of Mg (Magnesioa)
Oxidazio-egoera0, 1, 2
Elektronegatibotasun
1.31
Electrophilicity Index
materiaren funtsezko egoera
materiaren egoeraSolid
materiaren egoera gaseoso
Boiling Point
1.363,15 K
Melting Point
923,15 K
critical pressure
critical temperature
Puntu hirukoitz
appearance
kolore
Silver
appearanceshiny grey solid
errefrakzio-indize
thermodynamic material property
Thermal Conductivity
Bero-dilatazio
0,0000248 1/K
molar heat capacity
24,869 J/(mol K)
Specific Heat Capacity
1,023 J/(g⋅K)
indize adiabatiko
electrical properties
typeConductor
Eroankortasun elektriko
23 MS/m
Erresistibitate elektriko
0,00000004399999999999 m Ω
Supereroankortasun
Magnetismo
typeparamagnetic
suszeptibilitate magnetiko (Mass)
0,0000000069 m³/Kg
suszeptibilitate magnetiko (Molar)
0,000000000168 m³/mol
suszeptibilitate magnetiko (Volume)
0,000012
magnetic ordering
Curieren tenperatura
Néel temperature
egitura
Crystal StructureSimple Hexagonal (HEX)
lattice constant
3,21 Å
Lattice Anglesπ/2, π/2, 2 π/3
materialen propietate mekaniko
Gogortasun
2,5 MPa
konprimagarritasun-modulu
45 GPa
Zizaila modulua
17 GPa
Youngen modulu
45 GPa
Poissonen modulu
0,29
Soinuaren lastertasun
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

beste batzuk

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
zenbaki kuantiko1S0
talde espazial194 (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

masa-zenbaki19
neutron number7
atomo-masa erlatibo
19,03417992 ± 0,000064413 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
5 ± 3 ps
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data2007
parity-

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

20Mg

masa-zenbaki20
neutron number8
atomo-masa erlatibo
20,018763075 ± 0,000002 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
90,4 ± 0,5 ms
spin0
nuclear quadrupole moment
0
aurkikuntza-data1974
parity+

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

21Mg

masa-zenbaki21
neutron number9
atomo-masa erlatibo
21,011705764 ± 0,00000081 Da
g-factor
−0,3932 ± 0,0028
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
120 ± 0,4 ms
spin5/2
nuclear quadrupole moment
aurkikuntza-data1963
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

masa-zenbaki22
neutron number10
atomo-masa erlatibo
21,999570597 ± 0,00000017 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
3,8745 ± 0,0007 s
spin0
nuclear quadrupole moment
0
aurkikuntza-data1961
parity+

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

23Mg

masa-zenbaki23
neutron number11
atomo-masa erlatibo
22,994123768 ± 0,000000034 Da
g-factor
−0,35753333333333 ± 0,0002
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
11,3039 ± 0,0032 s
spin3/2
nuclear quadrupole moment
0,114 ± 0,003
aurkikuntza-data1939
parity+

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

24Mg

masa-zenbaki24
neutron number12
atomo-masa erlatibo
23,985041689 ± 0,000000013 Da
g-factor
0
natural abundance
78,965 ± 0,049
desintegrazio erradioaktiboisotopo egonkor
Semidesintegrazio-periodoNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
aurkikuntza-data1920
parity+

25Mg

masa-zenbaki25
neutron number13
atomo-masa erlatibo
24,985836966 ± 0,00000005 Da
g-factor
−0,342132 ± 0,000012
natural abundance
10,011 ± 0,013
desintegrazio erradioaktiboisotopo egonkor
Semidesintegrazio-periodoNot Radioactive ☢️
spin5/2
nuclear quadrupole moment
0,199 ± 0,002
aurkikuntza-data1920
parity+

26Mg

masa-zenbaki26
neutron number14
atomo-masa erlatibo
25,982592972 ± 0,000000031 Da
g-factor
0
natural abundance
11,025 ± 0,038
desintegrazio erradioaktiboisotopo egonkor
Semidesintegrazio-periodoNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
aurkikuntza-data1920
parity+

27Mg

masa-zenbaki27
neutron number15
atomo-masa erlatibo
26,984340647 ± 0,00000005 Da
g-factor
−0,8212 ± 0,003
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
9,435 ± 0,027 m
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data1934
parity+

decay modeintensity
β (β decay)100%

28Mg

masa-zenbaki28
neutron number16
atomo-masa erlatibo
27,983875426 ± 0,00000028 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
20,915 ± 0,009 h
spin0
nuclear quadrupole moment
0
aurkikuntza-data1953
parity+

decay modeintensity
β (β decay)100%

29Mg

masa-zenbaki29
neutron number17
atomo-masa erlatibo
28,988607163 ± 0,000000369 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
1,3 ± 0,12 s
spin3/2
nuclear quadrupole moment
−0,16 ± 0,04
aurkikuntza-data1971
parity+

decay modeintensity
β (β decay)100%

30Mg

masa-zenbaki30
neutron number18
atomo-masa erlatibo
29,990465454 ± 0,00000139 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
317 ± 4 ms
spin0
nuclear quadrupole moment
0
aurkikuntza-data1971
parity+

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

31Mg

masa-zenbaki31
neutron number19
atomo-masa erlatibo
30,996648232 ± 0,0000033 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
270 ± 2 ms
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data1977
parity+

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

32Mg

masa-zenbaki32
neutron number20
atomo-masa erlatibo
31,999110138 ± 0,0000035 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
80,4 ± 0,4 ms
spin0
nuclear quadrupole moment
0
aurkikuntza-data1977
parity+

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

33Mg

masa-zenbaki33
neutron number21
atomo-masa erlatibo
33,005327862 ± 0,000002859 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
92 ± 1,2 ms
spin3/2
nuclear quadrupole moment
0,13 ± 0,09
aurkikuntza-data1979
parity-

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

34Mg

masa-zenbaki34
neutron number22
atomo-masa erlatibo
34,008935455 ± 0,0000074 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
44,9 ± 0,4 ms
spin0
nuclear quadrupole moment
0
aurkikuntza-data1979
parity+

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

35Mg

masa-zenbaki35
neutron number23
atomo-masa erlatibo
35,01679 ± 0,0002895 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
11,3 ± 0,6 ms
spin3/2
nuclear quadrupole moment
aurkikuntza-data1989
parity-

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

36Mg

masa-zenbaki36
neutron number24
atomo-masa erlatibo
36,021879 ± 0,000741 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
3,9 ± 1,3 ms
spin0
nuclear quadrupole moment
0
aurkikuntza-data1989
parity+

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

37Mg

masa-zenbaki37
neutron number25
atomo-masa erlatibo
37,030286265 ± 0,00075035 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
8 ± 4 ms
spin3/2
nuclear quadrupole moment
aurkikuntza-data1996
parity-

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

38Mg

masa-zenbaki38
neutron number26
atomo-masa erlatibo
38,03658 ± 0,00054 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin0
nuclear quadrupole moment
0
aurkikuntza-data1997
parity+

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

39Mg

masa-zenbaki39
neutron number27
atomo-masa erlatibo
39,045921 ± 0,000551 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin7/2
nuclear quadrupole moment
aurkikuntza-data
parity-

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

40Mg

masa-zenbaki40
neutron number28
atomo-masa erlatibo
40,053194 ± 0,000537 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin0
nuclear quadrupole moment
0
aurkikuntza-data2007
parity+

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

41Mg

masa-zenbaki41
neutron number29
atomo-masa erlatibo
41,062373 ± 0,000537 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin3/2
nuclear quadrupole moment
aurkikuntza-data
parity-

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

historia

aurkitzailea edo asmatzaileaSir Humphrey Davy
aurkikuntzaren lekuaEngland
aurkikuntza-data1808
etimologiaFrom Magnesia ancient city in district of Thessaly, Greece.
pronunciationmag-NEE-zih-em (ingelesa)

source

Abundance
Abundance in Earth's crust
23.300 mg/kg
natural abundance (ozeano)
1.290 mg/L
natural abundance (gizakiaren gorputza)
0,027 %
natural abundance (Meteoroide)
12 %
natural abundance (Eguzkia)
0,07 %
Abundance in Universe
0,06 %

Nuclear Screening Constants

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