The answer to this questions is letterB
Solids' particles move a lot faster and closer together. Liquids' are more spread apart and move slower. So there is more energy in the solid
Given that <span>sample a has a higher melting point than sample
b. Therefore, sample a is a longer chain of a </span><span>fatlike solid substance. It could also be that the bonds present in sample a is much stronger which will require more energy to break. Hope this answers the question.</span>
That's actually a polyatomic Ion, so it's an Ionic bond, because Aluminum is a metal, and sulfate is a covalent compound.
