Which of the solid does not contain covalent bond________________?
Correct answer: A. Copper
- A. Copper
- B. Ice
- C. Diamond
- D. Graphite
Explanation
Copper is a metallic solid whose atoms are held together by metallic bonding, so it does not contain the network of covalent bonds found in diamond and graphite or the covalent O-H bonds in ice. A student may choose ice by thinking of it only as a molecular solid, but each water molecule still contains covalent O-H bonds.
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About Crystalline Solids
Crystalline solids contain particles arranged in a regular repeating lattice described by a unit cell. Their study includes coordination number, packing efficiency, density, anisotropy, cleavage, polymorphism and common crystal systems, along with ionic, molecular, covalent network and metallic crystals. Crystalline order differs from the random arrangement of amorphous solids.
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