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Which of the following metals is most reactive?


A. aluminum

B. sodium

C. copper

D. calcium


Answer :

Answer:

A. aluminum

Explanation:

Aluminium is soft, lightweight and ductile with excellent thermal and electrical conductivity. It is highly reactive, though the metal is protected by a surface layer of inert transparent oxide (Al2O3) that forms rapidly in air, providing excellent corrosion resistance.

a aluminum because sodium isnt really one so cross that out calcium cross that out copper nah but aluminum yes