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The regalia of Malaysia (Malay: Alat-alat Kebesaran Diraja Malaysia; Jawi: الت٢ كبسرن دراج مليسيا) includes all the items which are deemed sacred and symbolic of the supremacy and authority of the Yang di-Pertuan Agong or the Supreme King of Malaysia and his consort, the Raja Permaisuri Agong. The installation of the Supreme ...
Colors of a single chemical in different solvents, under visible and UV light, showing how the chemical interacts dynamically with its solvent environmentIn addition to the generic definition offered above, there are several niche fields where the term "chemical substance" may take alternate usages that are widely accepted, some of which are outlined in the sections below.
The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows ("periods") and columns ("groups"). It is an icon of chemistry and is widely used in physics and other sciences.
Different kinds of living creatures studied in life sciences top: microorganisms (E. coli bacteria) and an animal (Goliath beetle) bottom: a plant (tree fern) and humans Part of a series on Science General History Literature Method Philosophy Branches Formal Natural Physical Life Social Applied In society Communication Community Education Funding Policy Pseudoscience Scientist Science portal ...
118 chemical elements have been identified and named officially by IUPAC.A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z).
Carpentry tools recovered from the wreck of the Mary Rose, a 16th-century sailing ship—from the top: a mallet, brace, and plane, the handles of a T-auger and gimlet, possibly the handle of a hammer, and a rule.
The pictogram for harmful substances of the Globally Harmonized System of Classification and Labelling of Chemicals.. The Globally Harmonized System of Classification and Labelling of Chemicals (GHS) is an internationally agreed-upon standard managed by the United Nations that was set up to replace the assortment of hazardous material classification and labelling schemes previously used around ...
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