Examlex
Nonparametric methods tend to use less information than their parametric counterparts.
Pi Bonds
Covalent chemical bonds formed by the side-to-side overlap of p orbitals, characterizing the electron density located above and below the axis of the bonded atoms.
Sigma Bonds
Single covalent bonds formed between two atoms due to the head-on overlap of atomic orbitals, characterized by shared electron density along the axis connecting the nuclei.
HNC Bond Angle
The geometric angle formed between hydrogen, nitrogen, and carbon atoms in certain molecular structures, relevant in understanding molecular shape and reactivity.
Cation
A positively charged ion that has lost one or more electrons.
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