Predict the angles between bound atoms using the theory of valence shell electron pair repulsion (VSEPR). The steric number — the total of other atoms and lone electron pairs bound to a central atom — determines the geometry of a molecule. Lone electron pairs reside in the outer (valance) ...
An atom forms a single covalent bond with another atom through the atoms sharing one valence electron pair. If the starting atom originally contains several valence electrons, then it can form multiple covalent bonds to different peripheral atoms. This is the basis for many simple covalent ...
Dr. McCurry noted that the find is significant because only four fossils of spiders have ever been found in Australia. Meanwhile, supervising author and arachnologist Dr. Robert Raven said that Megamonodontium mccluskyi is the largest spider fossil discovered in the country and the first from t...
Aktiv Chemistry makes it easy for students to visualize VSEPR models and complex chemical structures.Elaine Bernal, Lecturer in the Chemistry and Biochemistry Department at California State University, Long Beach, uses the platform to help students see the broader importance of what they’re learning ...
However, this was clearly an intention of the study, in order to find out whether there are trade-offs from clean technologies which might be overlooked when only focusing on one aspect, e.g., saving energy. As we outlined in the introduction, holistic assessments of clean technologies were ...