Polarity Practice

Which has the greater electronegativity: 
H, N, O or F?

• H
• F
• N
• O

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

Which of the following elements has the weakest attraction for electrons in a chemical bond?

• S
• Cl
• O
• F

Tags

NGSS.HS-PS1-1

When Br is bonded to Br, what kind of bond is it?

• polar covalent

• nonpolar covalent

• ionic

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

In this Lewis structure, the symbol above F means...

• electrons are being transferred to Fluorine
• electrons are less attracted to F than H
• electrons are more attracted to F than H
• Fluorine has formed a cation

Tags

NGSS.HS-PS1-1

What geometry will this molecular structure have?: CCl₄

• bent

• tetrahedral

• linear

• trigonal pyramidal

Tags

NGSS.HS-PS2-6

Which of the following molecules is non-polar?

• NH₃

• BCl₃

• SO₂

• ICl

Is the molecule CCl₄  polar or non-polar?

• polar
• non-polar

Will this molecule be polar or nonpolar? H₂S

• polar

• nonpolar

Which of the following molecules is polar?

• H₂

• CF₄

• PH₃

• CH₄

Tags

NGSS.HS-PS1-1