Examlex
Which set is infinite?
Atoms
The basic units of matter composed of a nucleus surrounded by electrons, representing the smallest component of an element that retains its chemical properties.
Compound
A substance formed by the chemical combination of two or more elements in fixed proportions.
Atomic Symbol
A notation of one or two letters representing a chemical element (e.g., H for hydrogen, O for oxygen) used in chemical equations and formulas.
Atomic Symbols
Abbreviations or short notations used to represent chemical elements (e.g., H for hydrogen, O for oxygen).
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