Examlex
Prove that the proposition "if it is not hot, then it is hot" is equivalent to "it is hot."
Molecular Ions
Ions composed of more than one atom, formed when a molecule gains or loses electrons.
Molecular Ion Peak
The peak in a mass spectrum that corresponds to the mass of the intact molecule, often used for molecular weight determination.
Boron Isotopes
Variants of the element boron, differing in the number of neutrons in the nucleus and having distinct nuclear properties.
Trimethylborate
A chemical compound with the formula B(OCH3)3, used as a reagent in organic synthesis and as a flame retardant.
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