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Nuclei contain uncharged neutrons and positively charged protons; these two particles with about the same mass are known as nucleons. The number of protons is the atomic number of an element (Z), and is matched in a neutral atom by the exact number of electrons. The total number of nucleons is the mass number and is specified by a superscript on the symbol of the element. Thus 1H has a nucleus with no neutrons and one proton, 16O has eight protons and eight neutrons, 208Pb has 82 protons and 126 neutrons.
what is metallurgy
i need help filling in this equation __Na+__O2= __ Na2o
what element is not grouped with others in a family? what is its usual atomic structure?
Interfacial Defects Grain boundaries are interfaces where crystals of dissimilar orientations meet. A grain boundary is a single-phase interface, with crystals on each n every
Q. Explain the Purity Tests of sesame oil? Purity tests for oils/fats would include analyzing the samples for the presence of sesame oil, cottonseed oil, linseed oil, argemone
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Q. Can you explain Gels ? Gels may be formed by the proteins of egg or flour in products like souffles, puddings, custards, batters and doughs. When the protein particles a
Ether formation - Hydrocarbon Phenol reacts along with alkyl halides in alkali solution to make phenyl ethers (Williamson's synthesis). The phenoxide atom is a nucleophile and
Q. Show the electromagnetic radiation in spectrochemical series? The spectrochemical series can sometimes be helpful in making certain prediction about the complex. For instanc
laws of chemical combination on report
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