Which List of Items Contains Only Ions

question 42

Multiple Choice

Which list of items contains only ions?

• A)CO2, H2O, Na+, H-
• B)Na+, H-, Pb, Hg
• C)Pb, Hg, CO2,NaCl
• D)Cl-, Na+, Ca2+, NO3-
• E)NaCl, NO, CO, NaOH

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Definitions:

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