Polar Covalent Molecules: Water Chemistry

Learn about the structure and properties of water molecules, including the unequal sharing of electrons and the resulting polar covalent bonds. Understand how the oxygen and hydrogen atoms interact to form a polar molecule with slightly positive and negative charges.

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Questions and Answers

What type of bond is formed between the oxygen and hydrogen atoms in a water molecule?

Polar covalent bond

What is the result of the unequal sharing of electrons between oxygen and hydrogen atoms in a water molecule?

A slightly negative charge on oxygen and a slightly positive charge on hydrogen

What is the term for the attraction between the same kind of molecules?

Cohesion

What is the property of a substance that allows it to resist an external force?

Surface tension Signup and view all the answers

Why are water molecules attracted to other polar molecules?

Because of their polar covalent bonds Signup and view all the answers

What allows animals like water striders to walk on water?

The surface tension of water Signup and view all the answers

What is the reason for the unequal sharing of electrons in a water molecule?

Oxygen has a more positive nucleus than the hydrogen atoms Signup and view all the answers

What is the term for the attraction between different kinds of molecules?

Adhesion Signup and view all the answers

What type of charge does the oxygen atom in a water molecule have?

Slightly negative Signup and view all the answers

What is responsible for the formation of hydrogen bonds between water molecules?

The polar nature of water molecules Signup and view all the answers

What is the result of the cohesive nature of water molecules?

A strong surface tension Signup and view all the answers

What is the term for the attraction between water molecules and other polar molecules?

Adhesion Signup and view all the answers

What is the charge of the hydrogen atoms in a water molecule?

Slightly positive Signup and view all the answers

What is the reason for the formation of a relatively strong surface tension at the surface of water?

The cohesive nature of water molecules Signup and view all the answers

What is the result of the formation of hydrogen bonds between water molecules?

A strong surface tension Signup and view all the answers

What is the characteristic of water molecules that allows them to form hydrogen bonds?

Polar nature Signup and view all the answers

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