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Pure water (H 2 O) is an example of a compound. The ball-and-stick model of the molecule shows the spatial association of two parts hydrogen (white) and one part oxygen (red) A chemical compound is a chemical substance composed of many identical molecules (or molecular entities ) containing atoms from more than one chemical element held ...
Inorganic compounds by element; List of alloys; List of alkanes; List of elements by name; List of minerals – List of minerals with Wikipedia articles; List of alchemical substances; Polyatomic ion – Ion containing two or more atoms; Exotic molecules – Atoms composed of exotic particles can form compounds
This is a list of common chemical compounds with chemical formulae and CAS numbers, ... Ac 2 O 3: actinium(III) oxide: 12002-61-8 AgBF 4: Silver tetrafluoroborate ...
For example, for the compound FeCl 3, the cation, iron, can occur as Fe 2+ and Fe 3+. In order for the compound to have a net charge of zero, the cation must be Fe 3+ so that the three Cl − anions can be balanced (3+ and 3− balance to 0). Thus, this compound is termed iron(III) chloride. Another example could be the compound PbS 2.
Single atom anions are named with an -ide suffix: for example, H − is hydride. Compounds with a positive ion : The name of the compound is simply the cation's name (usually the same as the element's), followed by the anion. For example, NaCl is sodium chloride, and CaF 2 is calcium fluoride.
the simplest ether; a useful precursor to other organic compounds and an aerosol propellant: Dimethylformamide: organic compound; a common solvent for chemical reactions Dimethylsulfide: organosulfur compound; used in petroleum refining and in petrochemical production processes; a reducing agent in ozonolysis reactions Dimethyl sulfoxide
In chemistry, the empirical formula of a chemical is a simple expression of the relative number of each type of atom or ratio of the elements in the compound. Empirical formulae are the standard for ionic compounds, such as CaCl 2, and for macromolecules, such as SiO 2.
A mnemonic is a memory aid used to improve long-term memory and make the process of consolidation easier. Many chemistry aspects, rules, names of compounds, sequences of elements, their reactivity, etc., can be easily and efficiently memorized with the help of mnemonics.
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