Magnesium

aspect 12 of regular table is Magnesium through atomic number 12, atomic weight 24.305. Magnesium, prize Mg, has actually a straightforward Hexagonal structure and also Silver color. Magnesium is a alkaline earth metal element. Trivial name of Magnesium is alkaline planet metals*. Understand everything about Magnesium Facts, physical Properties, chemistry Properties, electronic configuration, Atomic and Crystal Structure.


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Magnesium is a chemical facet with symbol Mg and also atomic number 12. The is a shiny gray hard which bears a close physical resemblance come the other five aspects in the second column (Group 2, or alkaline earth metals) of the regular table:they each have actually the very same electron construction in their external electron shell developing a comparable crystal structure. Magnesium is the ninth many abundant facet in the universe.

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Magnesium Facts

Read vital information and also facts around element Magnesium

name Magnesium
atomic Number 12
atomic Symbol Mg
Atomic weight 24.305
phase Solid
color Silver
Classification alkaline earth metal
team in regular Table 2
Group Name beryllium household
duration in regular Table 3
Block in routine Table s-block
Electronic Configuration 3s2
Melting allude 650 °C
Boiling suggest 1090 °C
Electronic covering Structure <2, 8, 2>
CAS Number CAS7439-95-4

ar
3
Li
4
Be
11
Na
12
Mg
19
K
20
Ca
21
Sc
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
1
1
H
2
He
2
3
Li
4
Be
5
B
6
C
7
N
8
O
9
F
10
Ne
3
11
Na
12
Mg
13
Al
14
Si
15
P
16
S
17
Cl
18
Ar
4
19
K
20
Ca
21
Sc
22
Ti
23
V
24
Cr
25
Mn
26
Fe
27
Co
28
Ni
29
Cu
30
Zn
31
Ga
32
Ge
33
As
34
Se
35
Br
36
Kr
5
37
Rb
38
Sr
39
Y
40
Zr
41
Nb
42
Mo
43
Tc
44
Ru
45
Rh
46
Pd
47
Ag
48
Cd
49
In
50
Sn
51
Sb
52
Te
53
I
54
Xe
6
55
Cs
56
Ba
72
Hf
73
Ta
74
W
75
Re
76
Os
77
Ir
78
Pt
79
Au
80
Hg
81
Tl
82
Pb
83
Bi
84
Po
85
At
86
Rn
7
87
Fr
88
Ra
104
Rf
105
Db
106
Sg
107
Bh
108
Hs
109
Mt
110
Ds
111
Rg
112
Cn
113
Nh
114
Fl
115
Mc
116
Lv
117
Ts
118
Og
Lanthanides
57
La
58
Ce
59
Pr
60
Nd
61
Pm
62
Sm
63
Eu
64
Gd
65
Tb
66
Dy
67
Ho
68
Er
69
Tm
70
Yb
71
Lu
Actinide
89
Ac
90
Th
91
Pa
92
U
93
Np
94
Pu
95
Am
96
Cm
97
Bk
98
Cf
99
Es
100
Fm
101
Md
102
No
103
Lr

discover our interactive periodic table


How to situate Magnesium on periodic Table

Periodic table is arranged by atomic number, number of protons in the nucleus i m sorry is exact same as number of electrons. The atomic number increases from left come right. Routine table start at height left ( atom number 1) and ends at bottom ideal (atomic number 118). Thus you can directly look because that atomic number 12 to uncover Magnesium on routine table.

Another means to read regular table and locate an aspect is by using group number (column) and period number (row). To locate Magnesium on periodic table look because that cross ar of group 2 and period 3 in the modern-day periodic table.

explore Interactive periodic Table to Understand and Learn Cool fads

Table of Contents


History
Abundance
Physical Properties
Thermal Properties
Crystal Structure
Atomic & orbit Properties
Chemical Properties
Isotopes
Health and also Safety Parameters and also Guidelines
Databases
Compare Magnesium with various other elements

Magnesium History

The aspect Magnesium was found by Joseph black in year 1755 in united kingdom . Magnesium derived its surname from Magnesia, a ar of east Thessaly in greek

Magnesium Presence: variety in Nature and Around Us

The table listed below shows the abundance of Magnesium in Universe, Sun, Meteorites, Earth"s Crust, Oceans and Human Body.

Ppb by load (1ppb =10^-7 %)
abundance in universe 0.0006
variety in sunlight 0.0007
diversity in Meteorites 0.12
Abundance in Earth"s tardy 0.029
diversity in oceans 0.0013
diversity in human beings 0.00027

Crystal structure of Magnesium

The hard state structure of Magnesium is Simple Hexagonal.

The crystal structure deserve to be described in terms of its unit Cell. The unit cells repeats itself in three dimensional an are to kind the structure.

Unit cabinet Parameters

The unit cell is represented in terms of its lattice parameters, which room the lengths of the cell edges Lattice Constants (a, b and also c)

a b c
320.94 320.94 521.08 pm

and the angles in between them Lattice angles (alpha, beta and also gamma).

alpha beta gamma
π/2 π/2 2 π/3

The positions of the atoms within the unit cell are explained by the collection of atom positions ( xi, yi, zi) measured indigenous a referral lattice point.

The symmetry properties of the decision are described by the principle of an are groups. All possible symmetric species of corpuscle in three-dimensional an are are defined by the 230 an are groups (219 unique types, or 230 if chiral copies are taken into consideration distinct.

an are Group surname P63/mmc
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room Group Number 194
Crystal structure Simple Hexagonal

Magnesium Atomic and also Orbital Properties

Magnesium atoms have actually 12 electrons and also the electronic shell framework is <2, 8, 2> v Atomic ax Symbol (Quantum Numbers) 1S0.


atom Number 12
Number of electrons (with no charge) 12
Number of Protons 12
Mass Number 24
Number of Neutrons 12
Shell structure (Electrons per energy level) <2, 8, 2>
Electron configuration 3s2
Valence Electrons 3s2
Oxidation State 1;2
Atomic term Symbol (Quantum Numbers) 1S0

Shell framework of Magnesium - electron per energy level


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Ground State electronic Configuration of Magnesium - neutral Magnesium atom

The ground state digital configuration the Neutral Magnesium atom is 3s2. The section of Magnesium configuration that is identical to the noble gas that the preceding period, is abbreviated together . For atoms with plenty of electrons, this notation can become prolonged and for this reason an abbreviation notation is used.This is crucial as that is the Valence electron 3s2, electrons in the outermost covering that determine the chemical properties that the element.

See more: What Is 187 Rounded To The Nearest Ten ? What Is 187 Rounded To The Nearest Ten

Unabbreviated electronic configuration that neutral Magnesium

Complete ground state digital configuration because that the Magnesium atom, Unabbreviated electronic configuration

1s2 2s2 2p6 3s2

Atomic framework of Magnesium

Magnesium atomic radius is 145 pm, if it"s covalent radius is 130 pm.

atom Radius

145 pm (1.45 Å)

Atomic Volume 13.9844649022 cm3
Covalent Radius 130 pm (1.3 Å)
valve der Waals Radius 173 pm
spirit Cross section 0.063 σa/barns

Atomic Spectrum the Magnesium

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Magnesium chemical Properties: Magnesium Ionization Energies and also electron affinity

The electron affinity of Magnesium is 0 kJ/mol

Valence 2
Electronegativity 1.31
ElectronAffinity 0 kJ/mol

Ionization power of Magnesium

Refer to table below for Ionization energies that Magnesium

Ionization energy number Enthalpy - kJ/mol
1 737.7
2 1450.7
3 7732.7
4 10542.5
5 13630
6 18020
7 21711
8 25661
9 31653
10 35458

Magnesium physics Properties

Refer to below table for Magnesium physical Properties

density 1.738 g/cm3
Molar Volume 13.9844649022 cm3

Elastic Properties

Young Modulus 45 GPa
Shear Modulus 17 GPa
bulk Modulus 45 GPa
Poisson ratio 0.29

Hardness the Magnesium - tests to measure up of Hardness of Element

Mohs Hardness 2.5 MPa
Vickers Hardness N/A
Brinell Hardness 260 MPa

Magnesium electric Properties

Magnesium is Conductor of electricity. Describe table below for the electric properties the Magnesium

electrical Conductivity 2.3×107 S/m
Resistivity 4.4×10-8 m Ω
Superconducting point N/A

Magnesium Heat and Conduction Properties

heat Conductivity 160 W/(m K)
Thermal development 8.2×10-6 K-1

Magnesium Magnetic Properties

Magnetic form Paramagnetic
Curie allude N/A
massive Magnetic Susceptibility 6.9×10-9
Molar Magnetic Susceptibility 1.68×10-10
Volume Magnetic Susceptibility 1.2e-05

Optical nature of Magnesium

Refractive index N/A

Acoustic properties of Magnesium

speed of Sound 4602 m/s

Magnesium thermal Properties - Enthalpies and also thermodynamics

Refer come table below for thermal properties of Magnesium

Melting allude 923 K (650 °C)
Boiling point 1363 K (1090 °C)
critical Temperature N/A
Superconducting allude N/A

Enthalpies that Magnesium

warmth of blend 8.7 kJ/mol
warm of Vaporization 128 kJ/mol
heat of combustion -668 J/(kg K)

Magnesium isotopes - atom Properties that Magnesium

Isotopes of rhodium. Naturally developing Magnesium has 3 stable isotope - 24Mg, 25Mg, 26Mg.


Isotope Isotope massive % variety T fifty percent Decay setting
19Mg
20Mg
21Mg
22Mg
23Mg
24Mg 78.99% secure N/A
25Mg 10% steady N/A
26Mg 11.01% stable N/A
27Mg
28Mg
29Mg
30Mg
31Mg
32Mg
33Mg
34Mg
35Mg
36Mg
37Mg
38Mg
39Mg
40Mg

Regulatory and Health - Health and also Safety Parameters and also Guidelines

CAS Number CAS7439-95-4
RTECS Number N/A
dot Hazard class 4.1
period Numbers 2950
EU Number N/A
NFPA Fire Rating 1
NFPA perils N/A
NFPA health Rating 0
NFPA Reactivity Rating 1
Autoignition allude 472 °C
Flashpoint 500 °C

Database Search

perform of distinctive identifiers to search the facet in assorted chemical registry databases

Database identifier number
CAS Number - chemistry Abstracts company (CAS) CAS7439-95-4
CID Number CID5462224
Gmelin Number N/A
NSC Number N/A
RTECS Number N/A

Compare Magnesium v all Group 2 elements

Magnesium vs Beryllium Magnesium vs Calcium Magnesium vs Strontium Magnesium vs Barium Magnesium vs Radium

Compare Magnesium with all alkaline planet metal elements

Magnesium vs Beryllium Magnesium vs Calcium Magnesium vs Strontium Magnesium vs Barium Magnesium vs Radium