Electronegativity Difference and Bond Type

Which has the greater EN: 
N or C?

• C
• N

Tags

NGSS.HS-PS1-1

Which has the greater EN: 
H or F?

• H
• F

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Put these in increasing order by their electronegativites:
F, N, B

• B < N < F
• B < F < N
• N < F < B
• F < N < B

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Put these in increasing order by their electronegativities:
C, H, and O

• H < C < O
• H < O < C
• O < C < H
• C < H < O

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What kind of bond is H₂?

•  pure non-polar covalent
• polar covalent
• non-polar covalent
• ionic

What kind of bond is MgF₂?

• non-polar covalent
• polar covalent
• ionic
• pure non-polar covalent

Which end of the bond between selenium and chlorine is more electronegative? 

• chlorine
• selenium
• they are equal
• impossible to tell

Which end of the bond between two fluorines (F₂) is more electronegative?

• the first fluorine
• the second fluorine
• they are equal
• impossible to tell

Which has the greater EN: 
Cl or Al?

• Cl
• Al

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

In a polar covalent bond, electrons are shared ___________.

• equally
• unequally
• between non-metals with similar electronegativities
• between a metal and a non-metal