Common Element Compounds List Pdf

Wikipedia:Naming conventions (chemistry) - Wikipedia

Compounds with a substantial degree of covalency should be named by stoichiometric nomenclature: hence titanium tetrachloride not titanium(IV) chloride. Isotope labelling. Isotopes when written out are common nouns, and should begin with the uncapitalized element name, followed by a hyphen (not an em dash or en dash) and then the mass number.

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TOPIC 1. ELEMENTS, COMPOUNDS AND MIXTURES.

A very common mistake made by the general population is the failure to differentiate between a pure element and compounds of that element, e.g. the poisonous gaseous element chlorine and essential compounds of chlorine such as sodium chloride. Likewise, the calcium referred to above is in the form of

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Chemical Formula & Uses of Some Important Compounds : SSC ...

Sep 17, 2015· In this article, we will share some important chemical compounds which are useful for the upcoming Railways & SSC Exams. In this list Compound name, Chemical formula of the compound and its uses are given. List of Chemical Compounds and their uses. 1. Calcium Carbonate . Formula: CaCO 3 Uses: Non-prescription drug for relief from acid indigestion and heartburn.

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Lead poisoning - Wikipedia

Lead poisoning, also known as plumbism and saturnism, is a type of metal poisoning caused by lead in the body. The brain is the most sensitive. Symptoms may include abdominal pain, constipation, headaches, irritability, memory problems, infertility, and tingling in the hands and feet. It causes almost 10% of intellectual disability of otherwise unknown cause and can result in behavioral problems.

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Cigarette - Wikipedia

A cigarette is a narrow cylinder containing burnable material, typically tobacco, that is rolled into thin paper for smoking.Most commercial cigarettes contain a reconstituted tobacco product known as sheet, which consists of "recycled [tobacco] stems, stalks, scraps, collected dust, and floor sweepings", to which are added glue, chemicals and fillers; the product is then sprayed with nicotine ...

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Selenium - Wikipedia

Selenium is a chemical element with the symbol Se and atomic number 34. It is a nonmetal (more rarely considered a metalloid) with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic rarely occurs in its elemental state or as pure ore compounds in the Earth''s crust.

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Abundance of the chemical elements - Wikipedia

Other cosmically-common elements such as hydrogen, carbon and nitrogen form volatile compounds such as ammonia and methane that easily boil away into space from the heat of planetary formation and/or the Sun''s light. Rare-earth elements "Rare" earth elements is a historical misnomer.

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Calcium - Wikipedia

Calcium is a chemical element with the symbol Ca and atomic number 20. As an alkaline earth metal, calcium is a reactive metal that forms a dark oxide-nitride layer when exposed to air s physical and chemical properties are most similar to its heavier homologues strontium and barium is the fifth most abundant element in Earth''s crust, and the third most abundant metal, after iron and ...

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3.1: Organic Compounds - Medicine LibreTexts

Aug 13, 2020· Many organic compounds are formed from chains of covalently-linked carbon atoms with hydrogen atoms attached to the chain (a hydrocarbon backbone). This means that all organic compounds have in common the presence of carbon atoms and hydrogen atoms. In addition, different organic compounds may contain oxygen, nitrogen, phosphorous, and other ...

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Mercury (element) - Wikipedia

Mercury is a chemical element with the symbol Hg and atomic number 80. It is commonly known as quicksilver and was formerly named hydrargyrum (/ h aɪ ˈ d r ɑːr dʒ ər ə m / hy-DRAR-jər-əm). A heavy, silvery d-block element, mercury is the only metallic element that is liquid at standard conditions for temperature and pressure; the only other element that is liquid under these ...

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Cobalt - Wikipedia

Cobalt is a chemical element with the symbol Co and atomic number 27. Like nickel, cobalt is found in the Earth''s crust only in a chemically combined form, save for small deposits found in alloys of natural meteoric iron.The free element, produced by reductive smelting, is a hard, lustrous, silver-gray metal.. Cobalt-based blue pigments (cobalt blue) have been used since ancient times for ...

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