Magnez, ²Magneziumi (Mg)

chemical element, symbol Mg and atomic number 12

Atomic Number	12
Atomic Weight	24.305
Numri i masës	24

Group	2
Period	3
Block	s

protoni	12 p⁺
neutroni	12 n⁰
elektroni	12 e^-

Animated Bohr model of Mg (Magnez, ²Magneziumi)

Tipar Fizik

Atomic Radius	150 pm 240 pm
molar volume	14 cm³/mol
covalent radius	139 pm 132 pm 127 pm 142 pm 141 pm
Metallic Radius	136 pm 160 pm
ionic radius	57 pm 66 pm 72 pm 89 pm
Crystal Radius	71 pm 80 pm 86 pm 103 pm
Van der Waals radius	220 pm 173 pm 173 pm 243 pm 302,1 pm
density	1,74 g/cm³ 1 584 kg/m³

Chemical Property

{ERROR}

energjia

proton affinity	819,6 kJ/mol
electron affinity
ionization energy	7,646235 eV/particle 15,035267 eV/particle 80,1436 eV/particle 109,2654 eV/particle 141,335 eV/particle 186,76 eV/particle 225,015 eV/particle 265,924 eV/particle 327,985 eV/particle 367,5 eV/particle 1 761,80481 eV/particle 1 962,664 eV/particle

enthalpy of vaporization	131,8 kJ/mol
enthalpy of fusion	9,2 kJ/mol
standard enthalpy of formation	147,1 kJ/mol
elektroni

electron shell	2, 8, 2

valence electron	2 ⓘ

konfigurimi i elektronit	[Ne] 3s²ⓘ 1s² 2s² 2p⁶ 3s²

oxidation number	0, 1, 2
Elektronegativiteti	7,646 eV/particle 0.121644 1.31
Electrophilicity Index
fundamental state of matter

gjendja agregate e materies
gaseous state of matter
Boiling Point	1 363,15 K
Melting Point	923,15 K
critical pressure
critical temperature
triple point
appearance
Ngjyra	Black #228b22 #8aff00 #8aff00
appearance	shiny grey solid
refractive index
thermodynamic material property
Thermal Conductivity	156 W/(m K)
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
type	Conductor
electrical conductivity	23 MS/m
electrical resistivity	0,00000004399999999999 Ω*m
Superpërcjellshmëria
Magnetizimi
type	paramagnetic
magnetic susceptibility (Mass)	0,0000000069 m³/Kg
magnetic susceptibility (Molar)	0,000000000168 m³/mol
magnetic susceptibility (Volume)	0,000012
magnetic ordering
Curie temperature
Néel temperature
strukturë
Crystal Structure	{ERROR}
lattice constant	3,21 Å
Lattice Angles	π/2, π/2, 2 π/3
mechanical property
hardness	260 MPa 2,5 MPa
bulk modulus	45 GPa
shear modulus	17 GPa
Young's modulus	45 GPa
Poisson's ratio	0,29
Shpejtësia e zërit	4 602 m/s
klasifikim
Category	Actinides, Alkaline earth metals
CAS Group	IIA
IUPAC Group	IIA
Glawe Number	73
Mendeleev Number	76
Pettifor Number	73
Geochemical Class	major
Goldschmidt classification	litophile

other

Gas Basicity	797,3 kJ/mol
polarizability	71,2 ± 0,4 a₀
C6 Dispersion Coefficient	626 a₀ 629 a₀
allotrope
Neutron cross section	0,063
Neutron Mass Absorption	0,0001
numër kuantik	1S0
space group	194 (P63/mmc)

Isotopes of Magnesium

Stable Isotopes	3
Unstable Isotopes	20
Natural Isotopes	3

¹⁹Mg

Numri i masës	19
numri i neutroneve	7
Relative Atomic Mass	19,03417992 ± 0,000064413 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	5 ± 3 ps
Spini	1/2
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	2007
parity	-

decay mode	intensitet
2p (2-proton emission)	100%

²⁰Mg

Numri i masës	20
numri i neutroneve	8
Relative Atomic Mass	20,018763075 ± 0,000002 Da
g-factor	0
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	90,4 ± 0,5 ms
Spini	0
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1974
parity	+

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

²¹Mg

Numri i masës	21
numri i neutroneve	9
Relative Atomic Mass	21,011705764 ± 0,00000081 Da
g-factor	-0,3932 ± 0,0028
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	120 ± 0,4 ms
Spini	5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1963
parity	+

decay mode	intensitet
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	20.1%
β⁺α (β⁺-delayed α emission)	0.116%
B+pA	0.016%

²²Mg

Numri i masës	22
numri i neutroneve	10
Relative Atomic Mass	21,999570597 ± 0,00000017 Da
g-factor	0
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	3,8745 ± 0,0007 s
Spini	0
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1961
parity	+

decay mode	intensitet
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

²³Mg

Numri i masës	23
numri i neutroneve	11
Relative Atomic Mass	22,994123768 ± 0,000000034 Da
g-factor	-0,35753333333333 ± 0,0002
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	11,3039 ± 0,0032 s
Spini	3/2
nuclear quadrupole moment	0,114 ± 0,003
koha e zbulimit apo shpikjes	1939
parity	+

decay mode	intensitet
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

²⁴Mg

Numri i masës	24
numri i neutroneve	12
Relative Atomic Mass	23,985041689 ± 0,000000013 Da
g-factor	0
natural abundance	78,965 ± 0,049
Radioaktivitet	stable isotope
half-life	Not Radioactive ☢️
Spini	0
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1920
parity	+

²⁵Mg

Numri i masës	25
numri i neutroneve	13
Relative Atomic Mass	24,985836966 ± 0,00000005 Da
g-factor	-0,342132 ± 0,000012
natural abundance	10,011 ± 0,013
Radioaktivitet	stable isotope
half-life	Not Radioactive ☢️
Spini	5/2
nuclear quadrupole moment	0,199 ± 0,002
koha e zbulimit apo shpikjes	1920
parity	+

²⁶Mg

Numri i masës	26
numri i neutroneve	14
Relative Atomic Mass	25,982592972 ± 0,000000031 Da
g-factor	0
natural abundance	11,025 ± 0,038
Radioaktivitet	stable isotope
half-life	Not Radioactive ☢️
Spini	0
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1920
parity	+

²⁷Mg

Numri i masës	27
numri i neutroneve	15
Relative Atomic Mass	26,984340647 ± 0,00000005 Da
g-factor	-0,8212 ± 0,003
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	9,435 ± 0,027 m
Spini	1/2
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1934
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)	100%

²⁸Mg

Numri i masës	28
numri i neutroneve	16
Relative Atomic Mass	27,983875426 ± 0,00000028 Da
g-factor	0
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	20,915 ± 0,009 h
Spini	0
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1953
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)	100%

²⁹Mg

Numri i masës	29
numri i neutroneve	17
Relative Atomic Mass	28,988607163 ± 0,000000369 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	1,3 ± 0,12 s
Spini	3/2
nuclear quadrupole moment	-0,16 ± 0,04
koha e zbulimit apo shpikjes	1971
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)	100%

³⁰Mg

Numri i masës	30
numri i neutroneve	18
Relative Atomic Mass	29,990465454 ± 0,00000139 Da
g-factor	0
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	317 ± 4 ms
Spini	0
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1971
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	0.06%

³¹Mg

Numri i masës	31
numri i neutroneve	19
Relative Atomic Mass	30,996648232 ± 0,0000033 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	270 ± 2 ms
Spini	1/2
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1977
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	6.2%

³²Mg

Numri i masës	32
numri i neutroneve	20
Relative Atomic Mass	31,999110138 ± 0,0000035 Da
g-factor	0
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	80,4 ± 0,4 ms
Spini	0
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1977
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	5.5%

³³Mg

Numri i masës	33
numri i neutroneve	21
Relative Atomic Mass	33,005327862 ± 0,000002859 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	92 ± 1,2 ms
Spini	3/2
nuclear quadrupole moment	0,13 ± 0,09
koha e zbulimit apo shpikjes	1979
parity	-

decay mode	intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	14%
2n (2-neutron emission)

³⁴Mg

Numri i masës	34
numri i neutroneve	22
Relative Atomic Mass	34,008935455 ± 0,0000074 Da
g-factor	0
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	44,9 ± 0,4 ms
Spini	0
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1979
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	21%
2n (2-neutron emission)	0.1%

³⁵Mg

Numri i masës	35
numri i neutroneve	23
Relative Atomic Mass	35,01679 ± 0,0002895 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	11,3 ± 0,6 ms
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1989
parity	-

decay mode	intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	52%
2n (2-neutron emission)

³⁶Mg

Numri i masës	36
numri i neutroneve	24
Relative Atomic Mass	36,021879 ± 0,000741 Da
g-factor	0
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	3,9 ± 1,3 ms
Spini	0
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1989
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	48%
2n (2-neutron emission)

³⁷Mg

Numri i masës	37
numri i neutroneve	25
Relative Atomic Mass	37,030286265 ± 0,00075035 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	8 ± 4 ms
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1996
parity	-

decay mode	intensitet
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

³⁸Mg

Numri i masës	38
numri i neutroneve	26
Relative Atomic Mass	38,03658 ± 0,00054 Da
g-factor	0
natural abundance
Radioaktivitet	☢️ radioactive element
half-life
Spini	0
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1997
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

³⁹Mg

Numri i masës	39
numri i neutroneve	27
Relative Atomic Mass	39,045921 ± 0,000551 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life
Spini	7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity	-

decay mode	intensitet
n (neutron emission)
β⁻ (β⁻ decay)

⁴⁰Mg

Numri i masës	40
numri i neutroneve	28
Relative Atomic Mass	40,053194 ± 0,000537 Da
g-factor	0
natural abundance
Radioaktivitet	☢️ radioactive element
half-life
Spini	0
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	2007
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁴¹Mg

Numri i masës	41
numri i neutroneve	29
Relative Atomic Mass	41,062373 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity	-

decay mode	intensitet
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)

historia

zbulues	Sir Humphrey Davy
vendndodhja e zbulimit	England
koha e zbulimit apo shpikjes	1808
Etimologjia	From Magnesia ancient city in district of Thessaly, Greece.
pronunciation	mag-NEE-zih-em (anglisht)

burim

Abundance
Abundance in Earth's crust	23 300 mg/kg
natural abundance (Oqeani)	1 290 mg/L
natural abundance (Trupi i njeriut)	0,027 %
natural abundance (meteoroid)	12 %
natural abundance (Diell)	0,07 %
Abundance in Universe	0,06 %

Nuclear Screening Constants

1	s	0.3911
2	p	4.1742
2	s	4.608
3	s	8.6925

Magnez, ²Magneziumi on ChemicalAid

Magnez, ²Magneziumi (Mg)

Tipar Fizik

Chemical Property

other

Isotopes of Magnesium

19Mg

20Mg

21Mg

22Mg

23Mg

24Mg

25Mg

26Mg

27Mg

28Mg

29Mg

30Mg

31Mg

32Mg

33Mg

34Mg

35Mg

36Mg

37Mg

38Mg

39Mg

40Mg

41Mg

historia

burim

Nuclear Screening Constants

¹⁹Mg

²⁰Mg

²¹Mg

²²Mg

²³Mg

²⁴Mg

²⁵Mg

²⁶Mg

²⁷Mg

²⁸Mg

²⁹Mg

³⁰Mg

³¹Mg

³²Mg

³³Mg

³⁴Mg

³⁵Mg

³⁶Mg

³⁷Mg

³⁸Mg

³⁹Mg

⁴⁰Mg

⁴¹Mg