Bond and Molecule Polarity and IMFs

Electronegativity is a measurement of the ability of a nucleus to:

• attract bonding electrons

• attract other nuclei

• attract electrons in the non-valence energy levels

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

In a polar covalent bond, electrons are shared:

• equally

• unequally

• between two metals

• between a metal and a non-metal

The most electronegative atom in the periodic table is:

• Fluorine
• Helium
• Neon
• Francium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A diatomic molecule like O2 is always_______ because electrons are shared ________.

• nonpolar; equally

• polar; equally

• nonpolar; unequally

• nonpolar; unequally

Who could this molecule be?

• CH₄
• CO₂
• PCl₅
• BF₃

Tags

NGSS.HS-PS1-1

Which molecule would have this shape?

• BF₃
• CH₄
• PCl₅
• CO₂

The following molecule is classified as...

• polar covalent

• nonpolar covalent

• ionic

• metallic

Tags

NGSS.HS-PS1-1

The following molecule is classified as...

• nonpolar covalent

• polar covalent

• ionic

• metallic

Tags

NGSS.HS-PS1-3

The following molecule is classified as...

• non-polar covalent

• polar covalent

• ionic

• metallic

Will PH₃ be polar or nonpolar based on the electronegativity difference and the shape?

• polar

• nonpolar