Asked by Dee Dee

given the following electronegativities Na=0.9, H=2.1, Cl=3.0 which of the following statements is true?

H2,Cl2, and HCl are polar covalent molecules

NaCl is a polar covalent compound and HCl is an ionic compound

HCl is a nonpolar covalent compound and Cl2 is a polar covalent molecule

Cl2 is a nonpolar covalent molecule and HCl is a polar covalent molecule

please explain why. I am having a hard time comprehending this stuff
thanks
Answered by DrBob222
Subtract to obtain the delta EN. Delta EN of about 1.8 or so is about 50/50.
Answered by Anonymous
cfsfa
Answered by Nita
Cl2 is nonpolar and HCl is polar because electronegative increases form left to right and decreases going down the periodic table.Also,Cl2 is diatomic and diatomics are nonpolar.
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