Examlex
Which one of the following structures lies at the bases of the medullary pyramids and appears as echogenic structures?
Condensed Formula
A representation of a chemical substance that shows the elements present and their proportions but without the structural details.
Resonance Structure
Different way to draw the structure of a molecule that can't be represented by a single Lewis structure; these structures depict the delocalization of electrons within the molecule.
Cation
A positively charged ion that results from the loss of one or more electrons.
Resonance Form
Alternative structures of a molecule that depict its electrons in different positions, illustrating delocalization within the molecule.
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