Is titanium an element?
This article talks about knowledge related to the titanium element. The thing that most attracts our attention is titanium. Can titanium really be called an element? Let's explore this question and reveal the truth behind the state of the element titanium.
Titanium periodic table
Titanium is a transition metal element in Group 4 (Titanium Group) of Period 4 of the Periodic Table of Elements. It has element symbol Ti, atomic number 22, and relative atomic mass 47.867. Titanium is a hard and shiny silver-white metal with a hexagonal α phase and a cubic β phase. The relative density is 4.506, the melting point is 1668°C, and the boiling point is 3287°C. Resistivity 42x10⁻⁸Ω·m (20℃). It mainly exists in nature as rutile, perovskite, ilmenite, etc. Titanium tetrachloride is reduced by magnesium at high temperature to obtain titanium sponge, which is then melted by arc method to obtain titanium ingots. Titanium is widely distributed in nature, with a content of about 0.64% in the earth's crust, ranking fourth among metallic elements after aluminum, iron and magnesium.
Basic information about titanium element
Element name: Titanium (Ti)
Atomic weight of element: 47.87
Content of element in seawater: 0.00048 (ppm)
Content of elements in the sun: 4 (ppm)
Element Type: Metal
Number of protons in the nucleus: 22
Number of electrons outside the nucleus: 22
Nuclear charge: 22
Peripheral electron layer arrangement: 3d2 4s2
Electronic layer: K-L-M-N
Proton mass: 3.6806E-26
Proton relative mass: 22.154
Atomic volume: 10.64 (cubic centimeter/mol)
Content in the earth's crust: 5600 (ppm)
The following is supplementary content for titanium elements：
Oxidation state:
MainTi+4
Other Ti-1,Ti0,Ti+2,Ti+3
Period: 4
Family number: IVB
Molar mass: 48
Hydride: TiH4
Oxide: TiO
The chemical formula of the most expensive oxide: TiO2
Density: 4.54g/cubic centimeter
Melting point: 1660.0℃
Boiling point: 3287.0℃
Ionization energy (kJ/mol)
M-M+ 658
M+ - M2+ 1310
M2+-M3+ 2652
M3+-M4+ 4175
M4+-M5+ 9573
M5+ - M6+ 11516
M6+ - M7+ 13590
M7+-M8+ 16260
M8+-M9+ 18640
M9+ - M10+ 20830
Peripheral electronic arrangement: 2 8 8 4
Electronic configuration outside the nucleus: 2,8,10,2
Crystal structure: The unit cell is a hexagonal unit cell.
Cell parameters:
a = 295.08 pm
b = 295.08 pm
c = 468.55 pm
α = 90°
β = 90°
γ = 120°
Mohs hardness: 6
The propagation speed of sound in it: (m/S) 5090
Color and Condition: Silver Gray Metallic
Atomic radius: 2
Common valences: +2, +3, +4
Discoverer: Gregor Year of discovery: 1791
There are 13 known isotopes of titanium, including titanium-41 to titanium-53. Among them, there are five stable isotopes of titanium: titanium-46, titanium-47, titanium-48, titanium-49, and titanium-50. The remaining isotopes are radioactive.
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