Question

Which of the following metals is most reactive?

A. aluminum

B. sodium

C. copper

D. calcium

Answer 1

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

Answer 2

A. aluminum

Step-by-step 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.