Magniy

Magniy (Mg)

chemical element, symbol Mg and atomic number 12
Atomic Number12
Atomic Weight24.305
mass number24
Group2
Period3
Blocks
Proton12 p+
Neytron12 n0
Elektron12 e-
Animated Bohr model of Mg (Magniy)

Fizik Xossa

Atom Radiusi
150 pm
Molyar hajm
Kovalentlik Radiusi
139 pm
Metallic Radius
136 pm
Ion radiuslar
57 pm
Crystal Radius
71 pm
Van der Waals radius
173 pm
density
1,74 g/cm³
Atomic Radii Of The Elements: Magniy0102030405060708090100110120130140150160170180pmAtom RadiusiKovalentlik RadiusiMetallic RadiusVan der Waals radius

Chemical Property

energiya
proton affinity
819,6 kJ/mol
electron affinity
ionization energy
7,646235 eV/particle
ionization energy of Mg (Magniy)
Solishtirma qaynash issiqligi
131,8 kJ/mol
solishtirma erish issiqligi
9,2 kJ/mol
standard enthalpy of formation
147,1 kJ/mol
Elektron
Ion asboblar2, 8, 2
Bohr model: Mg (Magniy)
valence electron2
Lewis structure: Mg (Magniy)
electron configuration[Ne] 3s2
1s2 2s2 2p6 3s2
Enhanced Bohr model of Mg (Magniy)
Orbital Diagram of Mg (Magniy)
Oksidlanish darajasi0, 1, 2
Elektrmanfiylik
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
Rang
Silver
appearanceshiny grey solid
refractive index
thermodynamic material property
Thermal Conductivity
Issiqlikdan kengayish
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
Magnetizm
typeparamagnetic
magnetic susceptibility (Mass)
0,0000000069 m³/Kg
magnetic susceptibility (Molar)
0,000000000168 m³/mol
magnetic susceptibility (Volume)
0,000012
magnetic ordering
Kyuri nuqtasi
Néel temperature
Tuzilma
Crystal StructureSimple Hexagonal (HEX)
Kristall panjara davri
3,21 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
Qattiqlik
2,5 MPa
bulk modulus
45 GPa
shear modulus
17 GPa
Yung moduli
45 GPa
Poisson's ratio
0,29
Tovush tezligi
4 602 m/s
klassifikatsiya
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
Atom kvant sonlari1S0
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

mass number19
neutron number7
Nisbiy atom massa
19,03417992 ± 0,000064413 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
5 ± 3 ps
spin1/2
nuclear quadrupole moment
0
time of discovery or invention2007
parity-

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

20Mg

mass number20
neutron number8
Nisbiy atom massa
20,018763075 ± 0,000002 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
90,4 ± 0,5 ms
spin0
nuclear quadrupole moment
0
time of discovery or invention1974
parity+

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

21Mg

mass number21
neutron number9
Nisbiy atom massa
21,011705764 ± 0,00000081 Da
g-factor
-0,3932 ± 0,0028
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
120 ± 0,4 ms
spin5/2
nuclear quadrupole moment
time of discovery or invention1963
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

mass number22
neutron number10
Nisbiy atom massa
21,999570597 ± 0,00000017 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
3,8745 ± 0,0007 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1961
parity+

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

23Mg

mass number23
neutron number11
Nisbiy atom massa
22,994123768 ± 0,000000034 Da
g-factor
-0,35753333333333 ± 0,0002
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
11,3039 ± 0,0032 s
spin3/2
nuclear quadrupole moment
0,114 ± 0,003
time of discovery or invention1939
parity+

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

24Mg

mass number24
neutron number12
Nisbiy atom massa
23,985041689 ± 0,000000013 Da
g-factor
0
natural abundance
78,965 ± 0,049
Radioaktivlikstable isotope
Yarim yemirilish davriNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
time of discovery or invention1920
parity+

25Mg

mass number25
neutron number13
Nisbiy atom massa
24,985836966 ± 0,00000005 Da
g-factor
-0,342132 ± 0,000012
natural abundance
10,011 ± 0,013
Radioaktivlikstable isotope
Yarim yemirilish davriNot Radioactive ☢️
spin5/2
nuclear quadrupole moment
0,199 ± 0,002
time of discovery or invention1920
parity+

26Mg

mass number26
neutron number14
Nisbiy atom massa
25,982592972 ± 0,000000031 Da
g-factor
0
natural abundance
11,025 ± 0,038
Radioaktivlikstable isotope
Yarim yemirilish davriNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
time of discovery or invention1920
parity+

27Mg

mass number27
neutron number15
Nisbiy atom massa
26,984340647 ± 0,00000005 Da
g-factor
-0,8212 ± 0,003
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
9,435 ± 0,027 m
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1934
parity+

decay modeintensity
β (β decay)100%

28Mg

mass number28
neutron number16
Nisbiy atom massa
27,983875426 ± 0,00000028 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
20,915 ± 0,009 h
spin0
nuclear quadrupole moment
0
time of discovery or invention1953
parity+

decay modeintensity
β (β decay)100%

29Mg

mass number29
neutron number17
Nisbiy atom massa
28,988607163 ± 0,000000369 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
1,3 ± 0,12 s
spin3/2
nuclear quadrupole moment
-0,16 ± 0,04
time of discovery or invention1971
parity+

decay modeintensity
β (β decay)100%

30Mg

mass number30
neutron number18
Nisbiy atom massa
29,990465454 ± 0,00000139 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
317 ± 4 ms
spin0
nuclear quadrupole moment
0
time of discovery or invention1971
parity+

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

31Mg

mass number31
neutron number19
Nisbiy atom massa
30,996648232 ± 0,0000033 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
270 ± 2 ms
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1977
parity+

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

32Mg

mass number32
neutron number20
Nisbiy atom massa
31,999110138 ± 0,0000035 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
80,4 ± 0,4 ms
spin0
nuclear quadrupole moment
0
time of discovery or invention1977
parity+

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

33Mg

mass number33
neutron number21
Nisbiy atom massa
33,005327862 ± 0,000002859 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
92 ± 1,2 ms
spin3/2
nuclear quadrupole moment
0,13 ± 0,09
time of discovery or invention1979
parity-

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

34Mg

mass number34
neutron number22
Nisbiy atom massa
34,008935455 ± 0,0000074 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
44,9 ± 0,4 ms
spin0
nuclear quadrupole moment
0
time of discovery or invention1979
parity+

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

35Mg

mass number35
neutron number23
Nisbiy atom massa
35,01679 ± 0,0002895 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
11,3 ± 0,6 ms
spin3/2
nuclear quadrupole moment
time of discovery or invention1989
parity-

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

36Mg

mass number36
neutron number24
Nisbiy atom massa
36,021879 ± 0,000741 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
3,9 ± 1,3 ms
spin0
nuclear quadrupole moment
0
time of discovery or invention1989
parity+

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

37Mg

mass number37
neutron number25
Nisbiy atom massa
37,030286265 ± 0,00075035 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
8 ± 4 ms
spin3/2
nuclear quadrupole moment
time of discovery or invention1996
parity-

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

38Mg

mass number38
neutron number26
Nisbiy atom massa
38,03658 ± 0,00054 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin0
nuclear quadrupole moment
0
time of discovery or invention1997
parity+

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

39Mg

mass number39
neutron number27
Nisbiy atom massa
39,045921 ± 0,000551 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin7/2
nuclear quadrupole moment
time of discovery or invention
parity-

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

40Mg

mass number40
neutron number28
Nisbiy atom massa
40,053194 ± 0,000537 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin0
nuclear quadrupole moment
0
time of discovery or invention2007
parity+

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

41Mg

mass number41
neutron number29
Nisbiy atom massa
41,062373 ± 0,000537 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin3/2
nuclear quadrupole moment
time of discovery or invention
parity-

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

tarix

discoverer or inventorSir Humphrey Davy
location of discoveryEngland
time of discovery or invention1808
EtimologiyaFrom Magnesia ancient city in district of Thessaly, Greece.
pronunciationmag-NEE-zih-em (inglizcha)

source

Abundance
Abundance in Earth's crust
23 300 mg/kg
natural abundance (Okean)
1 290 mg/L
natural abundance (Inson tanasi)
0,027 %
natural abundance (Meteoroid)
12 %
natural abundance (Quyosh)
0,07 %
Abundance in Universe
0,06 %

Nuclear Screening Constants

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