Hard well organized solid

Atoms are tightly packed together
Crystalline arrangement
High melting and boiling points

The characteristics listed describe
Responses
A ionic compounds.ionic compounds.
B covalent compounds.covalent compounds.
C diatomic molecules.diatomic molecules.
D molecular compounds.molecular compounds.

1 answer

The characteristics listed describe:

A ionic compounds.

Ionic compounds are typically hard, well-organized solids with atoms tightly packed in a crystalline arrangement, and they generally have high melting and boiling points.