please i need the answer within five minutes

label Chemistry
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formular and charged 

iodide 

hydronium 

aluminum 
potassium

chemical formular chemical formula for the binary ionic compound made from the two elements 

Na and O 
B. Ba and O 
C. Ba and I 
D. Na and N 

Dec 25th, 2014

iodide: I-, hydronium: H3O+, aluminum: Al3+, potassium: K+

Na and O: Na2O

Ba and O: BaO

Ba and I: BaI2

Na and N: NaN3

Dec 25th, 2014

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Dec 25th, 2014
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Dec 25th, 2014
Jun 23rd, 2017
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