Are the bonds in each of the following substances ionic, nonpolar covalent, or polar covalent?

(a) KCl

Answer 1

a. ionic
b. nonpolar covalent
c. polar covalent
d. polar covalent
e. nonpolar covalent
f. polar covalent

BF3, SO2, and NO2 with respect to bond polarity
NO2 < SO2 < BF3 look at the electronegativities of each element in the bond. N is directly in front of O so the polarity is nil. S is below O so the polarity is greater. F is the most electronegative atom on the table and B is relatively far away, greatest polarity

Answer 2

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(a) KCl is ionic (b) P4 is non polar covalent (c) BF3 is non polar covalent molecule (individual B-F bonds are polar but the net dipole moment is zero due to its triangular planar geometry) (d) SO2 is Polar covalent (e) Br2 is covalent non polar (f) NO2 polar covalent

Answer 3

(c) BF3 is Polar Covalent For those substances with polar covalent bonds, which has the least polar bond? (F) For those substances with polar covalent bonds, which has the most polar bond? (C)

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