Difference between Covalent solid and metallic solid

Difference between Covalent and metallic solid

Covalent Solid

Metallic Solid

1) Covalent solid is consist of an atom of non metals particles. Metallic solid consist of an atom of metal  particles.
2) Covalent solid are made up of atoms which are bonded by covalent bond. Metallic solid are made of metallic atom or metallic cations and bounded by metallic bond.
3) Covalent solid have a very low conductivity. metallic solid have very high electrical and thermal conductivity.
4) Covalent solid have lower melting and boilling points. metallic solid have high melting and boilling points.
5) Covalent Solid exist in solid, liquid and gases state. metallic solid only exist in a solid state.
6) Bonds in covalent solid is directional. bonds in metallic solid are non-directional.
7) Bond energy is higher in metallic bond. bond energy is lower than other primary bond.
8) Substances containing Covalent bond are not very hard except diamond, silicon, carbon. The substance containing metallic bonds are hard.
9) Covalent bonds Form when two atom shares their valence electron. Metallic bond form when various number of atoms share a variable number of electron in a metal lattice.
10) Binding energy in covalent solid is 150-500 KJ/Mole binding energy in metallic solid is 700 – 1000 KJ/Mole.
11) Melting points is 4000K Melting point high as well as low ( varies)
12) It has extended network of covalent bonds. it has 3-D arrays of metal ions surrounded by a uniform sea of decolized electron.
13) They are non-malleable. they are malleable
14) They are non ductile they are ductile.
15) Examples of covalent solids are  : Al, Fe, Cr, H, H2O, Diamonds, Silicon. Examples of metallic solids are –  C6H12O6, Silver, Gold.
Updated: November 25, 2021 — 3:17 pm

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  1. This was extremely helpful. Thanks a lot. ☺️

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