Chemistry, 27.08.2021 01:00 hannahbannana98
My teacher does not want to teach me. Don't worry I'll post more questions. This is just what I have so far.
1. I'm confused about electron configuration. I'm not sure how I should write the exponents. When I go to the next period in the Periodic Table I'm not sure if the oribitals/exponents should start over and what numbers to start at. It also gets confusing when I get into sifferent blocks. I'm practicing writing the electron configurations but got stuck on Ag because I'm not sure what I should do when I get to the D block.
For Ag so far I have
1s^2 2s^2 2p^2 2p^3 2p^4 2p^5 2p^6 3s^2 3p^1 3p^2 3p^4 3p^5
And then I stopped because I was confused.
Also I'm confused why to skip 3s^1?
Answers: 3
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How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?
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One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(ii) carbonate, in concentrated sulfuric acid. the sulfuric acid reacts with the copper(ii) carbonate to produce a blue solution of copper(ii) sulfate. scrap iron is then added to this solution, and pure copper metal precipitates out because of the following chemical reaction: (s) (aq) (s) (aq) suppose an industrial quality-control chemist analyzes a sample from a copper processing plant in the following way. he adds powdered iron to a copper(ii) sulfate sample from the plant until no more copper will precipitate. he then washes, dries, and weighs the precipitate, and finds that it has a mass of .
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My teacher does not want to teach me. Don't worry I'll post more questions. This is just what I have...
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