Template:Infobox magnesium

Magnesium, ₁₂Mg

File:CSIRO ScienceImage 2893 Crystalised magnesium.jpg
Magnesium
उच्चारण	/mæɡˈniːziəm/ ​(mag-NEE-zee-əm)
दिखावट	shiny grey solid
Standard atomic weight Ar°(Mg)	[24.304, 24.307] 24.305±0.002 (abridged)
Magnesium in the periodic table
Hydrogen Helium Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson Be ↑ Mg ↓ Ca sodium ← magnesium → aluminium
Atomic number (Z)	12
समूह	group 2 (alkaline earth metals)
अवधि	period 3
ब्लॉक	s-block
ऋणावेशित सूक्ष्म अणु का विन्यास	[Ne] 3s2
प्रति शेल इलेक्ट्रॉन	2, 8, 2
भौतिक गुण
Phase at STP	solid
गलनांक	923 K ​(650 °C, ​1202 °F)
क्वथनांक	1363 K ​(1091 °C, ​1994 °F)
Density (near r.t.)	1.738 g/cm3
when liquid (at m.p.)	1.584 g/cm3
संलयन की गर्मी	8.48 kJ/mol
Heat of vaporization	128 kJ/mol
दाढ़ गर्मी क्षमता	24.869 J/(mol·K)
Vapor pressure P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 701 773 861 971 1132 1361
परमाणु गुण
ऑक्सीकरण राज्य	0, +1, +2 (a strongly basic oxide)
इलेक्ट्रोनगेटिविटी	Pauling scale: 1.31
Ionization energies	1st: 737.7 kJ/mol 2nd: 1450.7 kJ/mol 3rd: 7732.7 kJ/mol (more)
परमाणु का आधा घेरा	empirical: 160 pm
सहसंयोजक त्रिज्या	141±7 pm
[वैन डेर वाल्स रेडियस]]	173 pm
File:Magnesium spectrum visible.png Spectral lines of magnesium
अन्य गुण
प्राकृतिक घटना	primordial
क्रिस्टल की संरचना	​hexagonal close-packed (hcp) File:Hexagonal close packed.svg
Speed of sound thin rod	4940 m/s (at r.t.) (annealed)
थर्मल विस्तार	24.8 µm/(m⋅K) (at 25 °C)
ऊष्मीय चालकता	156 W/(m⋅K)
विद्युत प्रतिरोधकता	43.9 nΩ⋅m (at 20 °C)
चुंबकीय आदेश	paramagnetic
दाढ़ चुंबकीय संवेदनशीलता	+13.1×10−6 cm3/mol (298 K)
यंग मापांक	45 GPa
कतरनी मापांक	17 GPa
थोक मापांक	35.4 GPa
पॉइसन अनुपात	0.290
मोहन कठोरता	1–2.5
ब्रिनेल हार्डनेस	44–260 MPa
CAS नंबर	7439-95-4
History
नामी	after Magnesia, Greece
खोज]	Joseph Black (1755)
पहला अलगाव	Humphry Davy (1808)
Main isotopes of magnesium
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct 24Mg 79.0% stable 25Mg 10.0% stable 26Mg 11.0% stable

Mg:   data m.p. cat ()
	in	calc from C	diff	report	ref
C	650	—	—
K	923	923	0
F	1202	1202	0
max precision	0
WD
input	C: 650, K: 923, F: 1202
comment

Mg:   data b.p. cat ()
	in	calc from C	diff	report	ref
C	1091	—	—
K	1363	1364	-1
F	1994	1996	-2
max precision	0
WD
input	C: 1091, K: 1363, F: 1994
comment

PTMagnesium

Na ← i'box Na	iso 12Mg () infobox () isobox	→ Al i'box Al
Commons Commons Wikidata Wikidata:Q660 Wiktionary Wiktionary Indexes in PT: § below · Page

Data sets read by {{Infobox element}}
Name and identifiers
Top image (caption, alt)
Pronunciation
Allotropes (demo)
Group (demo)
Period (demo)
Block (demo)
Standard atomic weight
most stable isotope
Natural occurrence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Wikidata *
Symbol etymology (11 non-trivial)
* Not used in {{Infobox element}} (2021-12-24) See also Category:Infobox element data sets (0)

References

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