Which statement describes a physical property related to the particles that make up a material?
A. Metallic bonds between tin ions cause a sheet of tin to be
malleable.
B. Gold ions in a piece of jewelry are resistant to combining with the
atoms of other elements.
C. Raindrops are moderately acidic when they combine with
molecules of air pollution.
D. A copper roof tile has a greenish color because copper ions
combine with atmospheric oxygen.