Answer:
Molecular solid
Explanation:
A molecular solid has a low melting point, they are soft and do not conduct electricity.
We have been told in the question that the solid does not really dissolve in water and it's solution does not improve the electrical conductivity of water. Hence, it must be a molecular solid.
I believe this answer is A. Moving electrons generate magnetic forces. Hope this helps!!! :)
+2, because the element has more protons than electrons now
4- Ag+ions thats the answer i hope its correct