HW: Bond Polarity

The electrons in a polar covalent molecule are shared _______.

• equally

• unequally

• Electrons are not shared in a polar covalent molecule

• None of the answer choices are correct

The electrons in a nonpolar covalent molecule are shared _______.

• equally

• unequally

• Electrons are not shared in a nonpolar covalent molecule

• None of the answer choices are correct

The electrons in an ionic molecule are shared _______.

• equally

• unequally

• Electrons are not shared in an ionic molecule

• None of the answer choices are correct

In a polar covalent bond, the electrons gather around _______.

• the atom with the greatest electronegativity

• the atom with the lowest electronegativity

• each atom equally

• None of the answer choices are correct

In a nonpolar covalent bond, the electrons gather around _______.

• the atom with the greatest electronegativity

• the atom with the lowest electronegativity

• each atom equally

• None of the answer choices are correct

The polarity of a bond is determined by _______.

• the sum of the electronegativities of the two atoms

• the difference in the electronegativities of the two atoms

• the charges of the atoms

• None of the answer choices are correct

Partial charges are present in which type of bond?

• Ionic bond

• nonpolar covalent bond

• polar covalent bond

• None of the answer choices are correct

In a polar covalent bond, which atom will have a partial positive charge?

CHOOSE TWO CORRECT ANSWERS

• The atom that attracts fewer electrons

• The atom with the greater electronegitivity

• The atom that attracts more electrons

• The atom with the lower electronegativity

A diatomic molecule like O₂ is always _______ because electrons are shared _______.

• nonpolar; unequally

• polar; equally

• nonpolar; equally

• polar; unequally

Electronegativity is a measurement of the ability of a nucleus to _______.

• attract electrons in a chemical bond

• lose protons to form ions

• repel other nuclei in a molecule

• release energy when forming a bond

Tags

NGSS.HS-PS1-1