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Gold
Gold

Actinium
Actinium



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Gold vs Actinium

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1 Periodic Table
1.1 Symbol
Au
Ac
1.2 Group Number
11NA
Gadolinium
0 17
1.3 Period Number
67
Lithium
2 7
1.4 Block
d block
f block
1.5 Element Family
Transition Metal
Actinide
1.6 CAS Number
74405757440348
Aluminium
7429905 54386242
1.7 Space Group Name
Fm_ 3m
Fm_ 3m
1.8 Space Group Number
225.00225.00
Plutonium
11 229
2 Facts
2.1 Interesting Facts
  • It is found in copper ores and from the crust of the earth.
  • It is the most malleable and ductile metal.
  • Gold alloys are used in Dentistry as fillings, crowning, clips, etc. It is also used as an artificial limb joints.
Not Available
2.2 Sources
Earth's crust, Mining, Ores of metals
Obtained by Treating Radium with Neutrons, Ores of metals
2.3 History
2.3.1 Who Discovered
Unknown
Friedrich Oskar Giesel
2.3.2 Discovery
Before 6000 BCE
In 1902
2.4 Abundance
2.4.1 Abundance In Universe
6 * 10-8 %NA
Thallium
5E-09 0.11
2.4.2 Abundance In Sun
~0.0000001 %~-9999 %
Beryllium
1E-08 0.1
2.4.3 Abundance In Meteorites
0.00 %NA
Palladium
1.7E-07 22
2.4.4 Abundance In Earth's Crust
0.00 %NA
Radium
9.9E-12 8.1
2.4.5 Abundance In Oceans
0.00 %NA
Protactinium
2E-23 1.1
2.4.6 Abundance In Humans
0.00 %NA
Radium
1E-13 1.4
3 Uses
3.1 Uses & Benefits
  • Gold metal is mainly used for Jewelry, bullion, coinage, etc.
  • It is used in the art, decoration, ornaments, etc. It is also used for electroplating process.
  • Actinium metal has a great source of alpha rays but it is hardly used outside research purpose.
3.1.1 Industrial Uses
Chemical Industry, Clothing Industry, Electrical Industry, Electronic Industry
NA
3.1.2 Medical Uses
Dentistry, Pharmaceutical Industry
NA
3.1.3 Other Uses
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues
Alloys, Nuclear Research, Research Purposes
3.2 Biological Properties
3.2.1 Toxicity
Non Toxic
Toxic
3.2.2 Present in Human Body
3.2.3 In Blood
0.00 Blood/mg dm-30.00 Blood/mg dm-3
Plutonium
0 1970
3.2.4 In Bone
0.02 p.p.m.0.00 p.p.m.
Plutonium
0 170000
4 Physical
4.1 Melting Point
1,064.43 °C1,227.00 °C
Francium
27 3410
4.2 Boiling Point
2,807.00 °C3,200.00 °C
Flerovium
147 5660
4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Gold
Silvery White
4.3.3 Luster
Metallic
NA
4.4 Hardness
4.4.1 Mohs Hardness
2.50NA
Cesium
0.2 8.5
4.4.2 Brinell Hardness
194.00 MPaNA
Cesium
0.14 3490
4.4.3 Vickers Hardness
216.00 MPaNA
Palladium
121 3430
4.5 Speed of Sound
2,030.00 m/sNA
Thallium
818 16200
4.6 Optical Properties
4.6.1 Refractive Index
NANA
Mercury
1.000933 1.7229
4.6.2 Reflectivity
95.00 %NA
Molybdenum
58 97
4.7 Allotropes
4.7.1 α Allotropes
Not Available
Not Available
4.7.2 β Allotropes
Not Available
Not Available
4.7.3 γ Allotropes
Not Available
Not Available
5 Chemical
5.1 Chemical Formula
Au
Ac
5.2 Isotopes
5.2.1 Known Isotopes
3629
Tennessine
0 38
5.3 Electronegativity
5.3.1 Pauling Electronegativity
2.541.10
Francium
0.7 2.54
5.3.2 Sanderson Electronegativity
NANA
Cesium
0.22 2.56
5.3.3 Allred Rochow Electronegativity
1.421.00
Cesium
0.86 1.82
5.3.4 Mulliken-Jaffe Electronegativity
1.87NA
Cesium
0.62 2.48
5.3.5 Allen Electronegativity
1.92NA
Cesium
0.659 2.7
5.4 Electropositivity
5.4.1 Pauling Electropositivity
1.462.90
Palladium
1.46 3.3
5.5 Ionization Energies
5.5.1 1st Energy Level
890.10 kJ/mol499.00 kJ/mol
Cesium
375.7 26130
5.5.2 2nd Energy Level
1,980.00 kJ/mol1,170.00 kJ/mol
Ruthenium
710.2162 28750
5.5.3 3rd Energy Level
NA1,900.00 kJ/mol
Osmium
1600 34230
5.5.4 4th Energy Level
NA4,700.00 kJ/mol
Thorium
2780 37066
5.5.5 5th Energy Level
NANA
Dubnium
4305.2 97510
5.5.6 6th Energy Level
NANA
Seaborgium
5715.8 105800
5.5.7 7th Energy level
NANA
Bohrium
7226.8 114300
5.5.8 8th Energy Level
NANA
Hassium
8857.4 125300
5.5.9 9th Energy Level
NANA
Yttrium
14110 134700
5.5.10 10th Energy Level
NANA
Strontium
17100 144300
5.5.11 11th Energy Level
NANA
Yttrium
19900 169988
5.5.12 12th Energy Level
NANA
Molybdenum
22219 189368
5.5.13 13th Energy Level
NANA
Molybdenum
26930 76015
5.5.14 14th Energy Level
NANA
Molybdenum
29196 86450
5.5.15 15th Energy Level
NANA
Manganese
41987 97510
5.5.16 16th Energy Level
NANA
Iron
47206 109480
5.5.17 17th Energy Level
NANA
Cobalt
52737 122200
5.5.18 18th Energy Level
NANA
Nickel
58570 134810
5.5.19 19th Energy Level
NANA
Copper
64702 148700
5.5.20 20th Energy Level
NANA
Molybdenum
80400 171200
5.5.21 21st Energy Level
NANA
Molybdenum
87000 179100
5.5.22 22nd Energy Level
NANA
Molybdenum
93400 184900
5.5.23 23rd Energy Level
NANA
Molybdenum
98420 198800
5.5.24 24th Energy Level
NANA
Molybdenum
104400 195200
5.5.25 25th Energy Level
NANA
Molybdenum
121900 121900
5.5.26 26th Energy Level
NANA
Molybdenum
127700 127700
5.5.27 27th Energy Level
NANA
Molybdenum
133800 133800
5.5.28 28th Energy Level
NANA
Molybdenum
139800 139800
5.5.29 29th Energy Level
NANA
Molybdenum
148100 148100
5.5.30 30th Energy Level
NANA
Molybdenum
154500 154500
5.6 Electrochemical Equivalent
2.45 g/amp-hr2.82 g/amp-hr
Beryllium
0.16812 8.3209
5.7 Electron Work Function
5.10 eVNA
Cesium
2.14 5.65
5.8 Other Chemical Properties
Chemical Stability, Ionization, Solubility
Ionization, Radioactive Isotopes, Radioactivity, Solubility
6 Atomic
6.1 Atomic Number
7989
Lithium
3 117
6.2 Electron Configuration
[Xe] 4f14 5d10 6s1
[Rn] 6d1 7s2
6.3 Crystal Structure
Face Centered Cubic (FCC)
Face Centered Cubic (FCC)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
7989
Lithium
3 117
6.4.2 Number of Neutrons
118138
Lithium
4 184
6.4.3 Number of Electrons
7989
Lithium
3 117
6.5 Radius of an Atom
6.5.1 Atomic Radius
151.00 pm195.00 pm
Beryllium
112 265
6.5.2 Covalent Radius
144.00 pmNA
Beryllium
96 260
6.5.3 Van der Waals Radius
166.00 pmNA
Zinc
139 348
6.6 Atomic Weight
196.97 amu227.00 amu
Lithium
6.94 294
6.7 Atomic Volume
10.20 cm3/mol22.54 cm3/mol
Manganese
1.39 71.07
6.8 Adjacent Atomic Numbers
6.8.1 Previous Element
6.8.2 Next Element
6.9 Valence Electron Potential
43.40 (-eV)38.60 (-eV)
Francium
8 392.42
6.10 Lattice Constant
407.82 pm567.00 pm
Beryllium
228.58 891.25
6.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
6.12 Lattice C/A Ratio
1.61NA
Beryllium
1.567 1.886
7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
19.30 g/cm310.00 g/cm3
Lithium
0.534 40.7
7.1.2 Density When Liquid (at m.p.)
17.31 g/cm3NA
Lithium
0.512 20
7.2 Tensile Strength
120.00 MPaNA
Indium
2.5 11000
7.3 Viscosity
NANA
Mercury
0.001526 0.001526
7.4 Vapor Pressure
7.4.1 Vapor Pressure at 1000 K
0.00 (Pa)NA
Cerium
2.47E-11 121
7.4.2 Vapor Pressure at 2000 K
67.00 (Pa)NA
Tungsten
2.62E-10 774
7.5 Elasticity properties
7.5.1 Shear Modulus
27.00 GPaNA
Potassium
1.3 222
7.5.2 Bulk Modulus
180.00 GPaNA
Cesium
1.6 462
7.5.3 Young's Modulus
79.00 GPaNA
Cesium
1.7 528
7.6 Poisson Ratio
0.40NA
Beryllium
0.032 0.47
7.7 Other Mechanical Properties
Ductile, Malleable
NA
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
19.3210.07
Lithium
0.53 4500
8.1.2 Magnetic Ordering
Diamagnetic
Paramagnetic
8.1.3 Permeability
NANA
Bismuth
1.25643E-06 0.0063
8.1.4 Susceptibility
NANA
Bismuth
-0.000166 200000
8.2 Electrical Properties
8.2.1 Electrical Property
Conductor
Unknown
8.2.2 Resistivity
2.20 nΩ·mNA
Thallium
0.18 961
8.2.3 Electrical Conductivity
0.45 106/cm ΩNA
Plutonium
0.00666 0.63
8.2.4 Electron Affinity
222.80 kJ/molNA
Mercury
0 222.8
9 Thermal
9.1 Specific Heat
0.13 J/(kg K)0.12 J/(kg K)
Americium
0.11 3.6
9.2 Molar Heat Capacity
25.42 J/mol·K27.20 J/mol·K
Beryllium
16.443 62.7
9.3 Thermal Conductivity
318.00 W/m·K12.00 W/m·K
Neptunium
6.3 429
9.4 Critical Temperature
NANA
Ytterbium
26.3 3223
9.5 Thermal Expansion
14.20 µm/(m·K)NA
Tungsten
4.5 97
9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
324.40 kJ/molNA
Zinc
7.32 799.1
9.6.2 Enthalpy of Fusion
12.55 kJ/molNA
Cesium
2.1 35.23
9.6.3 Enthalpy of Atomization
364.00 kJ/mol301.00 kJ/mol
Mercury
61.5 837
9.7 Standard Molar Entropy
47.40 J/mol.K56.50 J/mol.K
Beryllium
9.5 198.1