Which of the following molecules are ionic?

2018-07-30 1:42 pm
A)RbNO3
B)MgCl2
C)NaI
D) All of the above

回答 (1)

2018-07-30 3:11 pm
RbNO₃ is an ionic compound which is made up of Rb⁺ and NO₃⁻ ions.
MgCl₂ is also an ionic compound which is made up of Mg²⁺ and Cl⁻ ions.
NaI is also an ionic compound which is made up of Na⁺ and I⁻ ions.

The answer: D) all of the above

(There is a mistake in the question. Ionic compound is made up of cations and anions. There is "no molecule" in ionic compound.)


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