Which are the different types of solids?

Ionic Solids Ionic solids form when electrostatic attraction sticks together anions and cations to form a crystal lattice. In an ionic crystal, each ion is surrounded by ions having an opposite charge. Ionic crystals are extremely stable since considerable energy is required to break ionic bonds. Example: table salt or sodium chloride Metallic Solids Positively charged nuclei of metal atoms are held together by valence electrons to form metallic solids. The electrons are considered to be "delocalized" because they aren't bound to any particular atoms, as in covalent bonds. Delocalized electrons can move throughout the solid. This is the "electron sea model" of metallic solids. Positive nuclei float in a sea of negative electrons. Network Atomic Solids This type of solid also is known simply as a network solid. Network atomic solids are huge crystals consisting of atoms held together by covalent bonds. Many gemstones are network atomic solids. Example: diamond, amethyst, ruby Atomic Solids Atomic solids form when weak London dispersion forces bind atoms of cold noble gases. Example: These solids are not seen in everyday life, since they require extremely low temperatures. An example would be solid krypton or solid argon. Molecular Solids Covalent molecules are held together by intermolecular forces to form molecular solids. While the intermolecular forces are strong enough to hold the molecules in place, molecular solids typically have lower melting and boiling points than metallic, ionic, or network atomic solids, which are held together by stronger bonds. Example: water ice Amorphous Solids Unlike all of the other types of solids, amorphous solids do not exhibit a crystal structure. This type of solid is characterized by having an irregular bonding pattern. Amorphous solids may be soft and rubbery when they are formed by long molecules, tangled together and held by intermolecular forces. Glassy solids are hard and brittle, formed by atoms irregularly joined by covalent bonds. Examples: plastic, glass read less