Homework Help: Chemistry PLZ HELP!!!!!

Posted by Maci on Saturday, April 7, 2012 at 10:23pm.

Tell whether the bonds between the following atoms are polar covalent or pure covalent bonds.
a. Si-Si b. H-O c. C-H d. C-O e. Cl-F
f. Cl-Cl g. N-H h. O-O

Chemistry PLZ HELP!!!!! - DrBob222, Saturday, April 7, 2012 at 10:33pm
Si to Si and Cl to Cl are about as pure covalent as you can get. Bonds between the same elements (or elements of the same electronegativity) are essentially pure covalent. Other bonds such as those between H and O for example(H is about 2.1 and O about 3.5) are polar covalent since 3.5-2.1 is not zero.
Chemistry PLZ HELP!!!!! - Maci, Saturday, April 7, 2012 at 10:35pm
Thank you again!

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