Aluminum Sulfide Ionic Or Covalent

Aluminum sulfide is an ionic compound, which means it is made up of positively charged ions (cations) and negatively charged ions (anions) held together by electrostatic forces of attraction.

In aluminum sulfide, the aluminum atom loses three electrons to form a cation with a charge of +3 (Al3+), while the sulfur atom gains two electrons to form an anion with a charge of -2 (S2-). These oppositely charged ions attract each other and form a crystal lattice structure.

The ionic nature of aluminum sulfide is further supported by its high melting point and electrical conductivity in molten state or when dissolved in water, as these properties are characteristic of ionic compounds.

In contrast, covalent compounds typically consist of non-metal atoms that share electrons to form a stable molecule, and tend to have lower melting points and do not conduct electricity in solution.