Ionic lattices and their properties

Explain that ionic compounds form three-dimensional lattices described by empirical formulas, and account for their high melting points, low volatility, conductivity only when molten or dissolved, and solubility in polar solvents in terms of the lattice.

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Zadanie 7Paper 1A, maj 2026
wzorowane1 pktzamkniętełatwe (szac.)

Which properties are expected for the compound lithium bromide? A. Not soluble in water, low melting point, does not conduct electricity when solid, does not conduct electricity when molten B. Not soluble in water, low melting point, conducts electricity when…

Zadanie 7Paper 1A, maj 2025, TZ3
wzorowane1 pktzamkniętełatwe (szac.)

A white crystalline solid has the properties shown in the table. Property Observation Melting point 770 °C Electrical conductivity of the solid none Electrical conductivity when molten good Solubility in water soluble Which structure is consistent with these…

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