The compounds in which water molecules are added are called_______________?
Correct answer: C. hydrates
- A. Hydrated ions
- B. double salts
- C. hydrates
- D. complexes
Explanation
Compounds containing a definite number of water molecules incorporated into their crystal structure are called hydrates, such as CuSO4·5H2O. Students may choose hydrated ions, but hydration refers to water surrounding individual ions in solution, not water chemically included in a crystal.
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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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