1 Periodic Table
1.1 Symbol
Tl
1.2 Group Number
1.3 Period Number
1.4 Block
p block
1.5 Element Family
Post-Transition
1.6 CAS Number
1.7 Space Group Name
P63/mmc
1.8 Space Group Number
2 Facts
2.1 Interesting Facts
- Compounds of Thallium metal are highly Toxic.
- Thallium metal is being suspected as a human carcinogen.
2.2 Sources
Found As a By-product, Ores of metals, Ores of Minerals
2.3 History
2.3.1 Who Discovered
William Crookes
2.3.2 Discovery
In 1861
2.4 Abundance
2.4.1 Abundance In Universe
2.5.1 Abundance In Sun
2.6.1 Abundance In Meteorites
3.1.1 Abundance In Earth's Crust
3.1.2 Abundance In Oceans
3.4.2 Abundance In Humans
4 Uses
4.1 Uses & Benefits
- Thallium is a toxic metal and hence it has limited uses. Thallium metal is mostly used for producing photoelectric cells.
- In thermometer’s mercury alloy has 8% of thallium, as it has a melting point lower than 20°C.
4.1.1 Industrial Uses
Chemical Industry
4.1.2 Medical Uses
Medical Research
4.1.3 Other Uses
Alloys
4.2 Biological Properties
4.2.1 Toxicity
Highly Toxic
4.2.2 Present in Human Body
✔
✘
70% - Post Transition Metals Metals have it !
▶
4.2.4 In Blood
4.2.5 In Bone
5 Physical
5.1 Melting Point
5.3 Boiling Point
5.5 Appearance
5.5.1 Physical State
Solid
5.5.2 Color
Silvery White
5.5.3 Luster
NA
5.6 Hardness
5.6.1 Mohs Hardness
5.6.2 Brinell Hardness
5.9.1 Vickers Hardness
5.10 Speed of Sound
5.12 Optical Properties
5.12.1 Refractive Index
5.14.1 Reflectivity
6.2 Allotropes
✔
✘
20% - Post Transition Metals Metals
▶
6.2.1 α Allotropes
Not Available
6.2.2 β Allotropes
Not Available
6.2.3 γ Allotropes
Not Available
7 Chemical
7.1 Chemical Formula
Tl
7.2 Isotopes
7.2.1 Known Isotopes
7.3 Electronegativity
7.3.1 Pauling Electronegativity
7.3.2 Sanderson Electronegativity
7.4.1 Allred Rochow Electronegativity
7.6.2 Mulliken-Jaffe Electronegativity
7.6.4 Allen Electronegativity
7.8 Electropositivity
7.8.1 Pauling Electropositivity
7.9 Ionization Energies
7.9.1 1st Energy Level
7.9.3 2nd Energy Level
7.9.5 3rd Energy Level
7.9.6 4th Energy Level
7.10.1 5th Energy Level
7.10.2 6th Energy Level
8.1.3 7th Energy level
8.1.5 8th Energy Level
8.1.7 9th Energy Level
8.2.3 10th Energy Level
8.2.5 11th Energy Level
8.2.6 12th Energy Level
8.2.8 13th Energy Level
9.1.1 14th Energy Level
9.1.2 15th Energy Level
9.2.1 16th Energy Level
9.3.1 17th Energy Level
9.3.2 18th Energy Level
9.3.3 19th Energy Level
9.4.1 20th Energy Level
9.5.1 21st Energy Level
9.5.2 22nd Energy Level
9.5.3 23rd Energy Level
9.6.1 24th Energy Level
9.6.3 25th Energy Level
9.6.4 26th Energy Level
9.6.6 27th Energy Level
9.6.7 28th Energy Level
9.6.8 29th Energy Level
9.6.10 30th Energy Level
9.7 Electrochemical Equivalent
9.9 Electron Work Function
9.10 Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Solubility
10 Atomic
10.1 Atomic Number
10.2 Electron Configuration
[Xe] 4f14 5d10 6s2 6p1
10.3 Crystal Structure
Hexagonal Close Packed (HCP)
10.3.1 Crystal Lattice
10.4 Atom
10.4.1 Number of Protons
10.4.2 Number of Neutrons
10.4.3 Number of Electrons
10.5 Radius of an Atom
10.5.1 Atomic Radius
10.5.2 Covalent Radius
10.5.3 Van der Waals Radius
10.6 Atomic Weight
10.7 Atomic Volume
10.8 Adjacent Atomic Numbers
10.8.1 Previous Element
10.8.2 Next Element
10.9 Valence Electron Potential
10.10 Lattice Constant
10.11 Lattice Angles
π/2, π/2, 2 π/3
10.12 Lattice C/A Ratio
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
11.1.2 Density When Liquid (at m.p.)
11.2 Tensile Strength
11.3 Viscosity
11.4 Vapor Pressure
11.4.1 Vapor Pressure at 1000 K
11.4.2 Vapor Pressure at 2000 K
11.5 Elasticity properties
11.5.1 Shear Modulus
11.5.2 Bulk Modulus
11.5.3 Young's Modulus
11.6 Poisson Ratio
11.7 Other Mechanical Properties
Ductile, Sectile
12 Magnetic
12.1 Magnetic Characteristics
12.1.1 Specific Gravity
12.1.2 Magnetic Ordering
Diamagnetic
12.1.3 Permeability
12.1.4 Susceptibility
12.2 Electrical Properties
12.2.1 Electrical Property
Conductor
12.2.2 Resistivity
12.2.3 Electrical Conductivity
12.2.4 Electron Affinity
13 Thermal
13.1 Specific Heat
13.2 Molar Heat Capacity
13.3 Thermal Conductivity
13.4 Critical Temperature
13.5 Thermal Expansion
13.6 Enthalpy
13.6.1 Enthalpy of Vaporization
13.6.2 Enthalpy of Fusion
13.6.3 Enthalpy of Atomization
13.7 Standard Molar Entropy