Examlex
Choose the best Lewis structure for PO43⁻.
Molecule
The smallest particle in a chemical element or compound that has the chemical properties of that element or compound, composed of atoms bonded together.
Anisole
An organic compound, methoxybenzene, characterized by a methoxy group attached to a benzene ring, used as a precursor in perfumery and pharmaceuticals.
Compound
An entity made up of multiple elements chemically joined in constant ratios.
Chebysheff's Theorem
A statistical theorem stating that for any data set or distribution, no matter the shape, a minimum proportion of values must lie within a certain number of standard deviations from the mean.
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