oxide meaning in chemistry
Amphoteric Oxide Definition in Chemistry
Anne Marie Helmenstine, Ph.D. Updated on August 08, 2018. An amphoteric oxide is an oxide that can act as either an acid or base in a reaction to produce a salt and water. Amphoterism depends on the oxidation states available to a chemical species. Because metals have multiple oxidation states, they form amphoteric oxides and …
nomenclature
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What Is a Volatile Substance in Chemistry?
In chemistry, the word "volatile" refers to a substance that vaporizes readily. Volatility is a measure of how readily a substance vaporizes or transitions from a liquid phase to a gas phase. The term can also be applied to the phase change from a solid state to vapor, which is called sublimation. A volatile substance has a high vapor pressure ...
What Is Oxidation? Definition and Example
A classic example of the old definition of oxidation is when iron combines with oxygen to form iron oxide or rust. The iron is said to have oxidized into rust. The chemical reaction is: The iron metal is oxidized to form the iron oxide known as rust. Electrochemical reactions are great examples of oxidation reactions.
12.3: Metals and Ores
Chemistry for Changing Times (Hill and McCreary) 12: Chemistry of Earth 12.3: Metals and Ores ... The cuprous oxide is then converted to copper upon heating: 2 Cu 2 O → 4 Cu + O 2. Copper is a constituent of various metal alloys, such as sterling silver used in jewelry, cupronickel used to make marine hardware and coins, and constantan …
Classification of Oxides
Dianion of oxygen is also called oxide which is represented by O-2. All Oxides compounds contain at least one dianion of oxygen. Oxides are generally binary compounds composed of oxygen and another element. Examples of Oxides – Al2O3 – Aluminum oxide, CO2 – Carbon dioxide, SO2 – Sulfur dioxide, CaO – Calcium oxide, …
Iron oxide (Fe2O3)
Iron oxide, also called ferric oxide is an inorganic compound with the chemical formula Fe2O3. It occurs in nature very abundantly and is widely distributed. It is a chemical complex which occurs naturally comprising iron and oxygen. Iron oxide is vital to humans and useful in most geological and biological activities.
11.5: Decomposition Reactions
A decomposition reaction is a reaction in which a compound breaks down into two or more simpler substances. The general form of a decomposition reaction is: AB → A + B AB → A + B. Most decomposition reactions require an input of energy in the form of heat, light, or electricity. Binary compounds are compounds composed of just two elements.
Water Chemistry Definition and Properties
Water Definition. Water is a chemical compound consisting of two hydrogen atoms and one oxygen atom. The name water typically refers to the liquid state of the compound. The solid phase is known as ice and the gas phase is called steam. Under certain conditions, water also forms a supercritical fluid.
4.3: Oxygen and oxides (Part 1)
Singlet dioxygen is generated in a solution by an energy transfer reaction from a photo-activated complex or by the pyrolysis of ozonides (O 3 compounds). Superoxide ion, O 2-, and peroxide ion, O 22-, are the anions of dioxygen (Table 4.3.3 4.3. 3 ). They can be isolated as alkali metal salts. There is another state, O 2+, called the …
Hydroxide Definition, Chemical Formula, Symbol, And Hydroxide Ion
Hydroxide is a negatively charged ion comprised of oxygen and hydrogen atom bonded covalently with each other. It normally attached with a positively charged metal to form a base. e.g. NaOH. In aqueous solution, these base give hydroxide ion OH –. According to Arrhenius substance that forms hydroxide ion in aqueous solution is base.
2.1: Chemical Symbols and Formulas
A chemical symbol is a one- or two-letter designation of an element. Some examples of chemical symbols are O O for oxygen, Zn Zn for zinc, and Fe Fe for iron. The first letter of a symbol is always capitalized. If the symbol contains two letters, the second letter is lower case. The majority of elements have symbols that are based on their ...
Calcium Oxide | Properties, Uses and Preparation of Calcium Oxide …
3 · Calcium oxide is used in industries that make porcelain and glass. It is also used for purifying sugar, in preparing bleaching powder, calcium carbide, and calcium cyanamide. Its other uses are in water softeners, mortars, and cement. Calcium oxide (CaO), is generally known as quicklime or burnt lime, it is a commonly used chemical compound.
Oxide
OverviewStoichiometryFormationStructureReactionsNomenclature and formulasSee also
An oxide is a chemical compound containing at least one oxygen atom and one other element in its chemical formula. "Oxide" itself is the dianion (anion bearing a net charge of –2) of oxygen, an O ion with oxygen in the oxidation state of −2. Most of the Earth''s crust consists of oxides. Even materials considered pure elements often develop an oxide coating. For example, aluminium foil develops …
Definitions of Oxidation and Reduction
Oxidation is the gain of oxygen. Reduction is the loss of oxygen. For example, in the extraction of iron from its ore: Because both reduction and oxidation are occurring simultaneously, this is known as a redox reaction. An oxidizing agent is substance which oxidizes something else. In the above example, the iron (III) oxide is the oxidizing …
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