The question can be changed into a new form:
Which element has the most negative electron affinity, or attraction for electrons? halogens have the highest electron affinities, and thus are more attracted to the electrons in the Hydrogen atom than any element in their respective periods.
In this case all the following choices are in the same period, thus Cl or Chlorine is the answer as it is a halogen.
CaBr conducts electricity in the molten state but does not conduct as a solid. ionic dissolution equation.
There you go , This is my work i have did on that subject area
The correct answer is:
3) Earthquakes can be caused by volcanic eruptions.
You were right :)