‘Au’ is the symbol for which of the following elements?

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Accepted Answer

1. The chemical symbol "Au" comes from the Latin word "Aurum," which means gold.

2. For comparison: Aluminium is denoted "Al", Silver is "Ag" (from "Argentum"), and Argon is "Ar".

3. Gold has atomic number $Z=79$, commonly represented by the symbol "Au" in the periodic table.

Therefore the correct choice is option (1) — Gold.

FINAL_ANSWER: a

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