Question

which of the following is not true of silver?
a. it has the highest electrical conductivity of all metals.
b. it is a precious metal used to make ornaments, jewelry, and utensils.
c. it is a copper alloy, usually mixed tin as the main additive.
d. it is very ductile and malleable, slightly harder than gold.

please select the best answer from the choices provided

a
b
c
d

Explanation:

• Option a: Silver has the highest electrical conductivity among metals. This is a well - known property of silver.
• Option b: Silver is a precious metal and is commonly used in making ornaments, jewelry, and utensils.
• Option c: Silver is not a copper alloy. Copper alloys are mixtures of copper with other metals like tin (bronze) or zinc (brass). Silver is a pure element (Ag) on the periodic table.
• Option d: Silver is very ductile and malleable. It is slightly harder than gold, which is also a known characteristic.

Answer:

C. It is a copper alloy, usually mixed tin as the main additive.