Bonding, Molecular Geometry, and Polarity

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

• S
• Cl
• O
• F

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

The molecule shown in the diagram can best be classified as a

• polar covalent molecule
• nonpolar covalent molecule
• ionic compound
• nonpolar ionic compound

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

The polarity of a bond between two elements can be best determined by

• The difference in electronegativity between the elements
• The difference in first ionization energy between the elements
• The number of electrons shared in the bond
• The difference in atomic radius between the elements

In the diagram shown, what is the total number of electrons shared in the bond between the two carbon atoms?

• 2
• 3
• 4
• 6

Tags

NGSS.HS-PS1-2

Which bond is most polar?

• H-F
• H-Cl
• H-Br
• H-I

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NGSS.HS-PS1-1

Which formula represents a polar molecule?

• H₂
• H₂O
• CO₂
• CCl₄

A covalent bond usually forms between

• a metal and a nonmetal
• either metals or nonmetals
• two metals
• two nonmetals

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NGSS.HS-PS1-2

A dipole is also known as

• polar molecule
• nonpolar molecule
• bond angles
• geometry

The ability of an atom to attract electrons to itself is called

• geometry
• conductivity
• electronegativity
• ionization energy

Tags

NGSS.HS-PS1-1

What kind of bond do you have: Li and Cl

• Non-polar covalent
• Polar covalent
• ionic
• James Bond

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2