Cohesion of gold foil is an example of:
Correct Answer: Atomic attraction and welding
Description: Pure gold is the noblest of all dental metals, rarely tarnishing or corroding in the oral cavity. It is inactive chemically, and it is not affected by air, heat, moisture, or most solvents. At room temperature, two thin sheets of atomically clean pure gold can be welded under pressure. The procedure is also called cold welding because it is conducted at room temperature.
Ref: Phillips 12 ed page no 413
Category:
Dental
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