Electronegativity and bond polarity

Question 1

covalent bonds will be polar if the electronegativity is greater than ____

Answer 1

0.5

Question 2

shared electrons tend to spend ___ time near the nucleus of electronegative atom

Answer 2

more

Question 3

are bonds of the same element polar? why?

Answer 3

no, electronegativities are shared so electrons are shared evenly

Question 4

what 3 elements are the most electronegative?

Answer 4

fluorine, oxygen, nitrogen

Question 5

what symbol means partial change on an atom?

Answer 5

delta

Question 6

more electronegative atoms have what charge?

Answer 6

slightly negative

Question 7

less electronegative atoms in a polar bonds have what charge?

Answer 7

slightly positive

Question 8

if a molecule has no polar bonds and no lone pairs, is it polar or non-polar?

Answer 8

non-polar

Question 9

if a molecule has no polar bonds and has lone pairs, is it polar or non-polar?

Answer 9

most likely polar, but check with shape

Question 10

if a molecule has one dipole, is it polar or non-polar?

Answer 10

polar

Question 11

if a molecule has multiple dipoles, and the shape allows the polarities to cancel out, is it polar or non-polar?

Answer 11

non polar

Question 12

if a molecule has multiple dipoles, and the shape adds up to give a net dipole, is it polar or non-polar?

Answer 12

polar