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A period 3 element is one of the chemical elements in the third row (or period) of the periodic table of the chemical elements.The periodic table is laid out in rows to illustrate recurring (periodic) trends in the chemical behavior of the elements as their atomic number increases: a new row is begun when chemical behavior begins to repeat, meaning that elements with similar behavior fall into ...
Like the periodic table, the list below organizes the elements by the number of protons in their atoms; it can also be organized by other properties, such as atomic weight, density, and electronegativity. For more detailed information about the origins of element names, see List of chemical element name etymologies.
burnt lime: 1305-78-8 Ca(OH) 2: calcium hydroxide slaked lime: 1305-62-0 CaO 2: calcium peroxide: 1305-79-9 CaP: calcium monophosphide: 39373-03-0 CaS: calcium sulfide hepar calcies sulfurated lime oldhamite: 20548-54-3 CaSO 3: calcium sulfite: 10257-55-3 CaSO 4: calcium sulfate: 7778-18-9 CaSO 4 · 0.5H 2 O: plaster of paris calcium sulfate ...
Proposed name for berkelium. The symbol and name were later used for element 101. [nb 1] [nb 3] Ml: Moldavium: 87: Discredited claim to discovery of francium made by Horia Hulubei and Yvette Cauchois. [nb 2] [7] Ms: Magnesium: 12: Current symbol is Mg. [nb 1] Ms: Masrium: 88: Discredited claim to discovery of radium. [nb 2] Ms: Masurium: 43 ...
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The Germans coined the name "Elektron" for magnesium alloy, a term which is still used today. In the commercial aerospace industry, magnesium was generally restricted to engine-related components, due to fire and corrosion hazards. Magnesium alloy use in aerospace is increasing in the 21st century, driven by the importance of fuel economy. [62]
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Poor lime is also known as lean or meager lime. Poor lime sets and cures very slowly and has weak bonding. Poor lime is grey in color. Magnesium lime contains more than 5% magnesium oxide (BS 6100) or 5-35% magnesium carbonate (ASTM C 59-91). [15] Dolomitic lime has a high magnesium content of 35-46% magnesium carbonate (ASTM C 59-91). [15]