The Importance of Water

How is a covalent bond formed in water?
Hydrogens each share an electron
Hydrogens each share a proton
Hydrogens don't share an electron or proton
None of the above
Adhesion is the attraction between ______________.
2 like substances
1 like substance
2 different substances
1 different substance
Capillary action involves _______________ and ____________________.
Cohesion; nothing else
Cohesion; surface tension
Cohesion; bonding
Cohesion; adhesion
What does hydrophilic mean? What does hydrophobic mean?
"water-loving" ; "water-fearing"
"water-fearing" ; "water-loving
Explain what a hydrogen bond is?
Which area in a water molecule has a slight positive charge, and which area in the water molecule has a slight negative charge?
Oxygen has a slight positive charge; hydrogen has a slight positive charge; hydrogen has a slight positive charge; hydrogen has a slight positive charge
Oxygen has a slight negative charge; hydrogen has a slight positive charge
Oxygen has a slight negative charge; hydrogen has a slight negative charge
Oxygen has a neutral charge; hydrogen has a slight positive charge
What property results from a hydrogen bond, and why is it important?
Heat Capacity
Hydrogen bonds
Surface tension
None of the above
What is cohesion?
It is the attraction between 2 like things
It is the attraction between 1 like thing
When two molecules repel each other
When three molecules repel each other
Water has the highest _________of any __________ liquid.
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