Nucleon: The constituent part of a nucleus (i.e. a neutron or proton). Nuclei: Plural of nucleus (one nucleus, 5 nuclei). Nuclide: Specific types of atoms are called nuclides. These nuclides are distinguished by a specific atomic number Z, which is the number of protons in that atom, and a specific mass number A. Scientists believe […]
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Do you know that you can save money every day from the service you like or the items you will purchase? I have summarized all the savings ideas in one single post. Please check out how much you can save today. Zinc: The elements and electron arrangement Basic Properties of Elemental Zinc Group 12 Period
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Henry Taube received the 1983 Nobel Prize in Chemistry “for his work on the mechanisms of electron transfer reactions, especially in metal complexes.\”[1] I first came to know about him during my undergraduate course “Transition Metals and Coordination Chemistry” when my professor recommended this book as one of our textbooks and mentioned that this great
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Scientists should be familiar with the ethics of research and are expected to behave responsibly. Therefore, the Commission on the Ethics of Scientific Knowledge and Technology (COMEST) suggested compulsory courses of ethics for all university students of science and engineering. Plagiarism, improper collection of data, fabrication of data, multiple submissions, and publications of similar data,
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What is Water Pollution? Water pollution is defined as alteration in Physical, Chemical and biological characteristics of water which may cause harmful effects on humans and aquatic biota. Properties Of Water • It is an excellent solvent which assists in transportation of nutrients and waste products, making biological processes possible in an aqueous medium. •
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What is Dissolved Oxygen? The amount of free, non-compound oxygen ( as O2) dissolved in a body of water such as a ocean, sea, lake, river, or stream etc. Non-compound oxygen, or free oxygen (O2), is oxygen that is not bonded to any other element. Dissolved oxygen is the presence of these free O2 molecules
Wastewater is characterized by their physical, chemical and biological characteristics. Physical Characteristics: Color, Odor, Dissolved oxygen (D.O), Insoluble substances (suspended solids, settleable solids), Corrosive properties, Radioactivity, Temperature, Foamability etc. Chemical characteristics: Chemical oxygen demand (C.O.D), pH, Acidity or Alkalinity, Hardness, Total carbon, Total dissolved solids, chlorine demand, trace elements & ions, Surfactants, phenols, hydrocarbons, oils
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