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Claire J
Claire J

The force of attraction between unlike atoms and molecules is called:

The force of attraction between unlike atoms and molecules is called:

6/14/2016 7:58:39 AM   |   Comments: 0   |   Views: 244

(A). Cohesion
(B). Viscosity
(C). Mechanical bonding
(D). Adhesion


Keywords: unlike

The force of attraction between unlike atoms and molecules on two different surfaces is called adhesion (e.g., a water molecule is attracted to a tree leaf). The chance of adhesion is directly proportional to the amount of contact area.

The force of attraction between like atoms and molecules is called cohesion (e.g., a water molecule is attracted to another water molecule). This type of attraction creates a tenacious bond.

Mechanical bonding is the physical interlocking of materials (e.g., sealant materials attach to pores created by acid etch on the tooth surface).

Viscosity is the ability of a liquid material to flow. High-viscosity materials are thicker and do not flow well.

 

Answer: (D). Adhesion


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