Write two points of distinction between crystalline and amorphous solids.

Give two points of distinction between charge and mass.

Amorphous solids are

Crystalline solids and Amorphous solids.

Amorphous solid are

Give two points of distinction between atom and molecule.

What is the principle differnece between crystalline and amorphous solids? {:("Crystalline solids", "Amorphous Solids"), ("(a) ionic bonding","Covalent bonding"), ("(b) Higher molar masses", "Lower molar masses"), ("(c) Stoichiometric solids", "Non-stoichiometric solids"), ("(d)Long-range order", "Lack of long-range order"):}

Write a point of distinction between a metallic solid and an ionic solid than metallic lustre.