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01-11-2016
Chemistry

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Which of these compounds would be the best
conductor in the pure liquid (molten) state?
1.H2S
2. H2Te
3.H2Se
4.PCl3
5.NH3
6.RbCl
7.I2
8.methane (CH4)
9.water (H2O)
10. F2

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Edufirst Edufirst

09-11-2016

Answer: 6. Rb Cl

Because, as the electronegativities of the elements, Rb and Cl, indicate this an ionic compound. Meaning that the elements are as ions ( Rb+ Cl-)., which in liquid (molten) state are charges that move freely, making the compound a good conductor of electricity.

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