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Covalent and Ionic Bonds

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Questions and Answers

What is the defining characteristic of a covalent bond?

Sharing of electrons (correct)

Attraction of bonding electrons

Exchange of electrons

Creation of ions

In an ionic bond, how do two atoms deal with their valence level instability?

Create ions and attract bonding electrons

Have similar electronegativities

Share electrons equally

Exchange electrons (correct)

What type of bond forms when two atoms have different electronegativities?

Nonpolar covalent bond

Covalent bond

Ionic bond (correct)

Polar covalent bond

How do atoms in a nonpolar covalent bond share electrons?

Equally Signup and view all the answers

What analogy is used in the text to explain nonpolar covalent bonds?

Kids playing tug-of-war Signup and view all the answers

Which scenario is most likely to result in a polar covalent bond?

Atoms with very different electronegativities Signup and view all the answers

What is the role of electronegativity in predicting how atoms will form bonds?

Helps predict if atoms will share electrons equally Signup and view all the answers

In a polar covalent bond, which atom will be slightly more negative?

The more electronegative atom Signup and view all the answers

How are electrons shared in a nonpolar covalent bond?

Equally between the two atoms Signup and view all the answers

What is the key characteristic of an ionic bond?

Exchange of electrons Signup and view all the answers

How do partial charges affect the polarity of a molecule?

They generate opposite poles in the molecule Signup and view all the answers

What happens to the middle of a rope if one person is stronger than the other?

It moves towards the stronger person Signup and view all the answers

What does it mean for a covalent bond to be polar?

The electrons are shared unequally Signup and view all the answers

How does the electronegativity of an atom affect its charge in a polar covalent bond?

It creates partial charges Signup and view all the answers

What can be said about electron clouds in atoms?

'Orbitals' are predictions of electron location Signup and view all the answers