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phsiscal properties &chemical propertise
Calculate the activity of nuclides: Problem: 100 mg piece of a gold ornament containing 10% copper as impurity was irradiated with thermal neutrons at 2.1×10 11 n/cm 2
Cu 2+ will have the following electronic configuration: (1) 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 , 3d 10 , (2) 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 9 , 4s 1 (3) 1s 2 , 2s 2 ,
This among the following elements has the tendency to form covalent compounds: (1) Ba (2) Be
need help answering questions for the lab
find two different substances and how they are produced. Once you have this information, look at their properties and how they are used, and explain how these properties affect th
(a) Using Lewis structures to describe your reasoning, describe why the following ions have different bond angles: ClO2 - and NO2 - (b) Given that the spatial arrangement of a
disadvantages of sludge formation
A chemical change takes place when one or more substances change into new substances. A chemical change is as well known as a chemical reaction. The emergence of new substances
Electrophilic Addition Reactions (A) Such types of reactions are generally provided by alkynes and alkenes. (B) Electrophilic addition reactions of alkynes and alkenes are m
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