1. Unit 2 Molecular and Ionic Compound Structure and Properties progress ...
7. Which of the following indicates whether the solid substance represented ... particulate diagram shown above conducts electricity and explains why or why not?
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Ionic solids are not able to conduct electricity in the solid phase but are able to conduct electricity when dissolved in water. This can best be explained ...
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FAQs
Which of the following indicates whether NaCl conducts electricity and best explains why or why not? ›
Which of the following indicates whether NaCl(l) conducts electricity and best explains why or why not? It conducts electricity because ions are free to move.
Why do ionic solids not conduct electricity? ›Ionic substances will not conduct electricity as solids. This is due to the fact that ions are not free to move in a solid as they are arranged in an ionic lattice. When an ionic substance is dissolved in solution or molten the ionic lattice is broken down allowing the ions to move freely and so conduction occurs.
Why do ionic compounds do not conduct electricity in solid state but conduct electricity in molten and aqueous state? ›Ionic compounds conduct electricity when molten (liquid) or in aqueous solution (dissolved in water), because their ions are free to move from place to place. Ionic compounds cannot conduct electricity when solid, as their ions are held in fixed positions and cannot move.
How do solids conduct electricity? ›Metallic solids are composed of metal cations held together by a delocalized "sea" of valence electrons. Because their electrons are mobile, metallic solids are good conductors of heat and electricity.
Why NaCl does not conduct electricity when it is solid but it does so when it is molten? ›NaCl is not a conductor of electricity in the solid-state but it conducts electricity in an aqueous state because, in solid NaCl, the movement of ions is not possible due to its rigid structure but in an aqueous solution or molten state, the ions can move freely.
Why does solid NaCl not conduct electricity? ›Sodium chloride is an ionic compound having sodium and chloride ions in its structure. Ionic compounds do not conduct electricity in solid state because ions are fixed in position and cannot move but in aqueous solution and in molten state they conduct electricity as ions are free to move.
Do ionic solids conduct electricity well? ›Ionic solids are poor conductors of electricity except when their ions are mobile, such as when a solid is melted or dissolved in solution.
Does an ionic solid not conduct electricity until it melts? ›Ionic solids do not conduct electricity; however, they do conduct when molten or dissolved because their ions are free to move. Many simple compounds formed by the reaction of a metallic element with a nonmetallic element are ionic.
How do you know if a solid conducts electricity? ›Test a material by placing an object between the two free ends of wire. Touch one free end of wire to one side of the object, and the other free end to the other side. 10. If the bulb lights up, the material is conductive, and if it doesn't, the material is an insulator!
Do solids have electrical conductivity? ›Solids are known as conductors as they have great electrical conductivity. As their conductivity broadly depends on their number of atoms of valence electrons, heat and electricity can pass through them very easily.
Why does electricity move through solids the easiest? ›
To be able to go through a solid object easily the coupling needs to be reduced. This means that where materials are weakly coupled the electric field will pass through the object at an easier rate. However, much of this is dependant on the frequency and the material properties at a particular frequency.
Does NaCl conduct electricity or not? ›Sodium chloride is not a conductor of electricity in solid state whereas it does conduct electricity in aqueous solutionsolution as well as in molten state.
Does NaCl conduct electricity and why? ›Sodium chloride conducts electricity only when dissolved in water or is melted, as sodium chloride dissociates into its constituent sodium and chloride ions, thus it has free ions which are responsible for the flow of current.
Why is NaCl the best conductor of electricity? ›The solution of sodium chloride in water is a good conductor of electricity because of the ions that act as the charge carriers. The ions are entities that derive themselves from neutral elements either by gaining or donating electrons.
Does NaCl conduct electricity? ›The electrical behavior of sodium chloride
Solid sodium chloride does not conduct electricity, because there are no electrons which are free to move. When it melts, sodium chloride undergoes electrolysis, which involves conduction of electricity because of the movement and discharge of the ions.