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Physics 19 Online
OpenStudy (anonymous):

Which of the following chemical formulas shows an ionic compound? A. CO2 B. N2O C. NaCl D. C6H12O6

OpenStudy (anonymous):

C

OpenStudy (michele_laino):

In general ionic bond occurs between chemical elements whose difference in electronegativity is the highest, for example between alcaline metal and non-metal, so?

OpenStudy (anonymous):

D

OpenStudy (michele_laino):

sorry, D is an organic molecule, there are all covalent bonds there in

OpenStudy (anonymous):

hmmm

OpenStudy (michele_laino):

Na is an alcaline metal?

OpenStudy (anonymous):

i dont know..

OpenStudy (michele_laino):

yes it is, remember please all chemical elements apearing in the leftmost column of the periodic table are called "alcaline metal"

OpenStudy (michele_laino):

Cl is a non-metal?

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

yno

OpenStudy (anonymous):

no*

OpenStudy (michele_laino):

Cl is a non-metal, remember, please all chemical elements that appearing to the right of periodic table are all non-metal, except the element in the rightmost column. Those elements are called "noble gases"

OpenStudy (michele_laino):

reassuming: Na is an alcaline metal, and CL is a non-metal, so bond between them is?

OpenStudy (anonymous):

What do u mean by that

OpenStudy (michele_laino):

I'm asking you if the chemical bond between Na and Cl is ionic, using all that I said before

OpenStudy (anonymous):

b then?

OpenStudy (michele_laino):

it is C?

OpenStudy (michele_laino):

your answer is C! NaCl is an ionic compound because chemical bond between Na and Cl is ionic

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

ty

OpenStudy (michele_laino):

Thank you!

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