Electronegativity and Polarity Review

Front

What is electronegativity?

Back

The ability of an atom to attract electrons in a chemical bond.

Front

What type of bond forms between two identical nonmetals, such as O and O?

Back

Non-Polar Covalent.

Front

What is the electronegativity difference for HBr?

Back

0.7.

Front

Which element is the least electronegative: oxygen, potassium, or iron?

Back

Potassium.

Front

What is a polar molecule?

Back

A molecule with a net dipole moment due to the presence of polar bonds.

Front

What is a nonpolar molecule?

Back

A molecule that does not have a net dipole moment; the charge distribution is uniform.

Front

How does electronegativity affect bond polarity?

Back

The greater the difference in electronegativity between two atoms, the more polar the bond.

Front

What is the trend of electronegativity in the periodic table?

Back

Electronegativity increases across a period and decreases down a group.

Front

What is a dipole moment?

Back

A measure of the separation of positive and negative charges in a molecule.

Front

What type of bond is formed between metals and nonmetals?

Back

Ionic bond.