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Multiple Choice
Which type of solid does not have a precise melting point?
A
Amorphous solid
B
Ionic solid
C
Atomic solid
D
Molecular solid
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1
Understand that solids can be classified based on their internal structure and bonding into types such as ionic, atomic, molecular, and amorphous solids.
Recall that crystalline solids (like ionic, atomic, and molecular solids) have a well-ordered, repeating lattice structure, which leads to a sharp and precise melting point.
Recognize that amorphous solids lack this long-range order, meaning their particles are arranged more randomly without a defined lattice.
Because of this disordered structure, amorphous solids do not have a sharp melting point; instead, they soften over a range of temperatures.
Therefore, the type of solid that does not have a precise melting point is the amorphous solid.