Multiple Choice
When electricity is passed through molten potassium bromide,two simpler substances,potassium and bromine,are produced.Therefore,potassium bromide
A) cannot be an element.
B) must be a mixture.
C) has less mass than the resulting potassium and bromine do.
D) must have the formula PB.
Correct Answer:

Verified
Correct Answer:
Verified
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