Classify each substance in the table as either an atomic, metallic, ionic, molecular, or covalent network solid: Substance Appearance Melting Point Electrical Conductivity Solubility in Water W lustrous, malleable 1500 °C High insoluble X soft, white - 157.2 o C Poor insoluble Y soft, yellow 113 °C None insoluble Z hard, white 800 °C Only if melted/dissolved soluble

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A: Formula used: The heat can be calculated as, The change in temperature is calculated as,

Q: Identify what type of solids are the following compounds. 1. Li2SO4 2. MgBr2

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Q: Of the five major types of crystalline solid, which does each of the following form, and why: (a)…

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Q: 12.16 Indicate the type of solid (molecular, metallic, ionic, or covalent-network) for each…

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Q: Which one of the following substances would be expected to have the weakest intermolecular…

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A: We will write all steps occuring in the change os solid to liquid , then calculate heat required.

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Q: Classify each substance in the table as either a metallic, ionic, molecular, or covalent network…

A: Metals have high malleability as they can easily be converted  into sheets .

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A: Answer to all the subparts have been given below

Q: The density of LiBr crystallized in the NaCl structure is 3,464 g / cm3. What is the ion radius of…

A: Given,  Density of LiBr= 3.464 g/cm3 Molar mass of LiBr= 86.84 g/mol We know that NaCl crystal…

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Q: What are 8 Network Covalent Atomic Solids?

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Q: Calculate the heat energy released when 19.8 g of liquid mercury at 25.00 °C is converted to solid…

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A: Mass of Unknown solid = 21.4 g = MMolar mass of Unknown solid = 67.44 g/moleNo of moles of Unknown…

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Q: The density of LiBr crystallized in the NaCl structure is 3,464 g / cm3. What is the ion radius of…

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Q: What amount of heat (in kJ) is required to convert 10.1 g of an unknown solid (MM = 67.44 g/mol) at…

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Q: What amount of heat (in kJ) is required to convert 30.0 g of an unknown solid (MM = 67.44 g/mol) at…

A:

Q: What IMFS are most important in determining the melting points of pure solids of the group 18…

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Q: What amount of heat (in kJ) is required to convert 26.9 g of an unknown solid (MM = 67.44 g/mol) at…

A: Answer is explained below. Given, Mass of unknown solid = 26.9 g. Molar mass of solid = 67.44 g/mol.…

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.