A drop of water placed on a smooth, dry surface will form a dome-shaped droplet instead of flowing outward in different directions. Which of these best explains this observation?
The bonds between hydrogen and oxygen atoms are very strong.
The electrons in the atoms attract the electrons in the other atoms.
Water molecules at the surface experience fewer hydrogen bonds than water molecules within the liquid.
Water molecules near the surface produce more buoyant force than water molecules within the liquid.
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@paki , @TheSmartOne
The first option seems to be correct i.e. The bonds between hydrogen and oxygen are very strong.
the reason for the formation of a dome shaped droplet is that the forces between the molecules of water (called cohesive forces) are stronger than the forces between the water molecules and the molecules of the dry surface (called adhesive forces)
adhesive forces are the forces between the molecules of different substances and cohesive forces are the forces between the molecules of the same substance