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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
There are a total of 180 questions asked in the exam, 45 questions each from Physics, Chemistry, Botany and Zoology. Each correct response fetches 4 marks and each incorrect response gets -1 negative marking. The exam duration is 3 hours 20 minutes (200 min). The exam is of 720 marks (maximum marks).
the simplest aldehyde; an important precursor to many other chemical compounds, such as polymers and polyfunctional alcohols Formic acid: the simplest carboxylic acid; often used as a source of the hydride ion Grignard reagents: the most common application is for alkylation of aldehydes and ketones: [4] Hexamethylphosphoramide
Download as PDF; Printable version; In other projects Wikimedia Commons; ... (only simple oxides, oxyhalides, and related compounds, not hydroxides, carbonates, acids ...
Zelinsky Institute of Organic Chemistry: carbohydrates structures references CSDB ID "CSDB". CTD Comparative Toxicogenomics Database: Department of Biological Sciences at North Carolina State University MeSH CASNo ChEBI PubChem genes, pathways "CTD". DDB Dortmund Data Bank: pure compounds, mixtures, gas hydrates physical properties "DDB".
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.
Welcome to bowl season! From the IS4S Salute to Veterans Bowl on Dec. 14 to the College Football Playoff National Championship Game on Jan. 20, 82 teams will play in at least one postseason game.
This is an index of lists of molecules (i.e. by year, number of atoms, etc.). Millions of molecules have existed in the universe since before the formation of Earth. Three of them, carbon dioxide, water and oxygen were necessary for the growth of life.