Question

Which of the following metals may tarnish to a greenish-blue color called verdigris

A- silver
B- chromium
C- gold
D- copper

Answer 1

copper. thats the way copper oxidized. like the statue of liberty 

Answer 2

The correct answer is: D. copper

Step-by-step explanation:

Copper is a chemical element that belongs to the group 11 and period 4 of the periodic table. It is a d-block element that has atomic number 29. Copper is a pinkish-orange colored metal that has high conductivity.

It readily oxidizes when exposed to atmospheric oxygen to form a greenish-blue layer of copper carbonate. This layer is known as verdigris or patina.