The Bohr model is neat, but imperfect, depiction of atom structure. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works .

Check the latest CBSE Class 9 Science Syllabus 2025–26 with unit-wise ... Structure of Atom. ... Electrons, protons, and neutrons. Models of atom. Valency, Atomic Number and Mass Number ...

Although models of class B 7TM domains and ligand binding have been proposed based on site-directed mutagenesis 9,10,11, photo-crosslinking 12,13,14, and structure-based virtual screening studies ...