ionic polar covalent nonpolar covalent
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Question:Which of these compounds are ionic? Which are polar covalent? Which are non-polar covalent?
If possible...explain how you determined that? Thanks so much!
Answers:HCl=polar covalent (two nonmetals)
I2= nonpolar covalent (two nonmetals of the same atoms)
NaF=ionic (nonmetal plus metal)
Polar covalent are two nonmetals far away from each other on the periodic table. nonpolar covalent are two nonmetals close to each other on the periodic table or two of the same atom like I2. Ionic is a nonmental plus a metal. Metals are group 1 and 2 and nonmetals are groups 13-17.
hope that helps :)
Question:I need to know for a project, but I don't know how to tell when there is more that two atoms involved. If you could explain that too, that could help.
(Note: Electronegativity for both phosphorus and hydrogen is 2.1)
Answers:Since the electronegativities of P and H are the same, the covalent bonds are non-polar. So, therefore, is the molecule.
The observed bond angles are apparently very close to 90 degrees, by the way. The presence of the lone pair makes no difference to the bond angles or the polarity of the molecule in this case.
Question:Put the set below in order of ionic bond, polar covalent bond, and a nonpolar covalent bond
a. Na--S ,C--H, Br -- Br
b. Br--Br, C--H, Na--S
c. Na--S, Br--Br ,C--H
d. K--O, H--F, C--H
e. N--O, O--H, C--H?
Answers:a) correct as written
b) Na-S, C-H, Br-Br
c) Na-S, C-H, Br-Br
d) K-O, H-F, C-H
e) O-H, N-O, C-H
Look up the Electronegativity values for each atom in the pair; subtract. Order the pairs from highest difference value to the smallest difference value .
Question:would you characterize a Cd-P bond as a non-polar covalent bond, polar covalent bond or an ionic bond?
Answers:You have to find the electronegativity difference between the two atoms first:
2.19-1.69 = 0.5
This means that you have a polar covalent bond.
Polar & Nonpolar Covalent Bonds :EXTRA CREDIT ASSIGNMENT #2 Summer Bio1 Professor Revell Topic: Polar/Nonpolar Covalent Bonds
House Party Conundrum (Non-Polar Covalent Bonds) :This is a video about non-polar covalent bonds. The lead actress had a very bad ionic bond relationship that ended badly with stealing. Now she is out to find someone who can have a non-polar covalent relationship full of sharing with her. All of the people at the house party do not have what shes looking for. The guy at the end of the video does have what shes looking for, a electromagnetivity near hers. A non-polar covalent bond has an electromagnetivity difference of less than .3