Examlex
A relation is in ______________________________ if it does not contain repeating groups.
Hydrogen
The lightest and most abundant chemical element in the universe, with the symbol H and atomic number 1, primarily found as H2 gas.
Isomers
Molecules that have the same molecular formula but differ in the arrangement of atoms, resulting in different properties.
Molecular Formula
A representation of the number and type of atoms in a molecule but not the structure.
Branched Isomers
Organic compounds having the same molecular formula but different structural formulas due to branching in the carbon chain, affecting their physical and chemical properties.
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