Post memes/jokes in /r/chemistrymemes and /r/chemistryjokes.In this video, we will discuss the trends in the properties of group-17 elements, such as the negative electron gain enthalpy, oxidation states, oxidising power of halogens etc.Ġ1:27 - Trends in the atomic properties like atomic size, ionisation enthalpy and electronegativity.Ġ1:32 - Trends in the negative electron gain enthalpyĠ4:31 - Trends in the oxidising power of halogens. Any such posts will be deleted.Īsk education and jobs questions in the current weekly topic. If you're looking for a more concentrated, advanced discussion of chemistry topics among professionals and grad students, check out /r/Chempros.īefore asking 'What chemical is this?' see this chart. Click here for the OSHA chemical data site and here for a multicompany MSDS aggregate search. Chemistry: the basics The basics of atoms, moles, formulas, and equations and nomenlature chem1 virtual textbook a reference text for General Chemistry Stephen Lower Simon Fraser University The chapters in this unit are absolutely essential for anyone embarking on the serious study of Chemistry. If you spill/injure yourself contact medical professionals and read the MSDS, do not post to this reddit. Yes links to blogs, images, videos, comics, and infographics are okay especially if they are on your personal website. No physorg, sciencedaily, or other press release aggregator spam! If a caption or explanation is included this helps, but please use your discretion.īefore asking about chemical drawing/illustration programs, look at your school's IT/software website and see if they provide an institutional license of ChemDraw (hint: if they have a chemistry department, they will) Likewise, simple pictures of uninteresting and garden variety chemistry-related things are not appreciated. No memes, rage comics, image macros, reaction gifs, or other 'zero-content' material.

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