Examlex
Which organization offers certification examinations for the National Certified Medical Assistant and National Certified Medical Office Assistant?
Lewis Structures
Diagrammatic methods for representing the bonds between atoms in a molecule and the lone pairs of electrons that may exist.
Elemental Symbol
A one or two-letter abbreviation derived from the element's English or Latin name used to represent an element in chemical formulas.
Lewis Structure
A diagrammatic representation of the bonding between atoms of a molecule and the lone pairs of electrons in the molecule, showing how valence electrons are distributed.
Oxygen Molecule
A diatomic molecule composed of two oxygen atoms (O2), essential for aerobic respiration in animals.
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