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Polar Covalent Bond Concept

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Questions and Answers

What is the main characteristic of a polar covalent bond?

Unequal sharing of electrons (correct)

Transfer of electrons

Equal sharing of electrons

Absence of electrons

How are covalent bonds between non-metals classified?

Metallic and covalent

Polar covalent and nonpolar covalent (correct)

Polar and ionic

Single and double

What factor determines whether a bond is polar or nonpolar?

Oxidation state

Atomic radius

Difference in electronegativity values (correct)

Electron count

What is the significance of electronegativity in a chemical bond?

It influences the bond's strength (A) Signup and view all the answers

What does an electronegativity difference of 0.4-1.7 indicate?

A polar covalent bond (B) Signup and view all the answers

How does a dipole form in a polar covalent bond?

From partial positive and negative charges (B) Signup and view all the answers

Which element in a polar covalent bond receives a partially positive charge?

Element with higher electronegativity (D) Signup and view all the answers

What type of bond is a water molecule an example of?

Polar covalent bond (A) Signup and view all the answers

Which atom in a hydrochloric acid molecule carries a partial negative charge?

Chlorine atom (B) Signup and view all the answers

What must be the electronegativity difference between two atoms for a bond to be classified as nonpolar covalent?

Less than 0.4 (C) Signup and view all the answers

Which type of bond is soluble in nonpolar solutions?

Nonpolar covalent bond (A) Signup and view all the answers

What determines the degree of equal sharing in covalent bonds?

Electronegativity values (B) Signup and view all the answers

Which element has the highest electronegativity?

Fluorine (D) Signup and view all the answers

What type of bond joins chains of amino acids together in proteins?