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Titanium diselenide (TiSe 2) also known as titanium (IV) selenide, is an inorganic compound of titanium and selenium. In this material selenium is viewed as selenide (Se 2−) which requires that titanium exists as Ti 4+. Titanium diselenide is a member of metal dichalcogenides, compounds that consist of a metal and an element of the chalcogen ...
A graphing calculator is a class of hand-held calculator that is capable of plotting graphs and solving complex functions. There are several companies that manufacture models of graphing calculators. Texas Instruments is a major manufacturer. The following table compares general and technical information for a selection of common and uncommon ...
The TI-89 is a graphing calculator developed by Texas Instruments in 1998. The unit features a 160×100 pixel resolution LCD and a large amount of flash memory, and includes TI's Advanced Mathematics Software. The TI-89 is one of the highest model lines in TI's calculator products, along with the TI-Nspire. In the summer of 2004, the standard ...
A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and chemical formulas.The reactant entities are given on the left-hand side and the product entities are on the right-hand side with a plus sign between the entities in both the reactants and the products, and an arrow that points towards the products to show the direction of the reaction. [1]
Titanium tetrabromide is the chemical compound with the formula TiBr 4. It is the most volatile transition metal bromide. The properties of TiBr 4 are an average of TiCl 4 and TiI 4. Some key properties of these four-coordinated Ti (IV) species are their high Lewis acidity and their high solubility in nonpolar organic solvents.
Titanium (II) chloride is the chemical compound with the formula TiCl 2. The black solid has been studied only moderately, probably because of its high reactivity. [2] Ti (II) is a strong reducing agent: it has a high affinity for oxygen and reacts irreversibly with water to produce H 2. The usual preparation is the thermal disproportionation ...
Titanium is a chemical element; it has symbol Ti and atomic number 22. Found in nature only as an oxide, it can be reduced to produce a lustrous transition metal with a silver color, low density, and high strength, resistant to corrosion in sea water, aqua regia, and chlorine.
Equations. Mass number. A = (Relative) atomic mass = Mass number = Sum of protons and neutrons. N = Number of neutrons. Z = Atomic number = Number of protons = Number of electrons. A = Z + N {\displaystyle A=Z+N\,\!} Mass in nuclei. M'nuc = Mass of nucleus, bound nucleons. MΣ = Sum of masses for isolated nucleons.