2. Indicate the type of crystal (molecular, metallic, ionic, or covalent-network) each of the following would form upon solidification a. CaCO₂ b. Pt d. Cu molecular molecular C. Table sugar C₁2H22O11 molecular e. Benzene C6H6 f. NaCl 8. C metallic metallic metallic molecular metallic molecular metallic molecular molecular metallic metallic ionic covalent-network ionic covalent network ionic covalent-network ionic covalent-network. ionic covalent-network ionic covalent-network ionic covalent-network

Q: Which compound has the lowest melting point?  A. CH4 b. mgcl2 c. hF d. c

A: Melting point of compounds depend on the type of bonds and attractive forces present in it.…

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Q: Which of the following would crystalize as a covalent crystal?  A. SiO2(s) B. Zn(s) C. FeSO4(s)

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Q: A. NH3 B. Ar C. C(graph) In which species is hydrogen bonding present? D. CaCl₂ E. H₂CO

A:

Q: 28)Which has the highest melting point MgO H2O CH3CH2CH3 Ar

A: The temperature at which solid form is converted to   liquid form is known as melting point.

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A:

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Q: 3. Construct the reciprocal lattice structure for the following real crystal lattice structure Real…

A: Step 1: Step 2: Step 3: Step 4:

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Crystal Lattices and Unit Cell

Consider a crystal. The regular and repeating pattern of constituent particles is the most distinguishing feature of crystalline solids. A crystal lattice is formed when these particles are replaced with representative points. The three-dimensional arrangement of constituent particles is known as a crystal lattice. Unit cell is that the smallest portion of a space lattice which when repeated in several directions, generate the whole lattice. Unit cell is a building block of a lattice. It is the smallest unit of cell.