Chemistry I Atomic Bonding Practice Quiz With Answer Key - Mr. Scott Page 5
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3423)
A bond that is less than 5% ionic is considered
a) polar covalent.
b) ionic.
c) nonpolar covalent.
d) metallic.
24)
The pair of elements that forms a bond with the least ionic character is
a) Na and Cl.
b) H and Cl.
c) O and Cl.
d) Br and Cl.
25)
The B—F bond in BF
(electronegativity for B is 2.0; electronegativity for F is 4.0) is
3
a) polar covalent.
b) ionic.
c) nonpolar covalent.
d) pure covalent.
26)
The percentage ionic character for the C—F bond (electronegativity for C is 2.5;
electronegativity for F is 4.0) in CF
is
4
a) 9%.
b) 15%.
c) 38%.
d) 62%.
27)
The percentage ionic character and the type of bond in Br
(electronegativity for Br is
2
2.8) is
a) 0%; nonpolar covalent.
b) 100%; polar covalent.
c) 0%; pure ionic.
d) 100%; pure ionic.
28)
The percentage ionic character and the type of bond in LiCl (electronegativity for Li is
1.0; electronegativity for Cl is 3.0) is
a) 50%; ionic.
b) 50%; polar covalent.
c) 67%; polar covalent.
d) 67%; ionic.
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