Podcast
Questions and Answers
What do all ionic compounds consist of?
What do all ionic compounds consist of?
Huge lattices of alternating positive and negative ions arranged in a regular way.
How is the lattice held together?
How is the lattice held together?
By the strong attractions between the positively and negatively charged ions.
What are common properties of ionic compounds?
What are common properties of ionic compounds?
High melting and boiling points, conduct electricity when molten or in solution (not when solid), often soluble in water.
What is the definition of an ionic bond?
What is the definition of an ionic bond?
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Why do ionic compounds have high melting and boiling points?
Why do ionic compounds have high melting and boiling points?
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Why can ionic compounds conduct electricity when molten but not when solid?
Why can ionic compounds conduct electricity when molten but not when solid?
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Why are ionic compounds soluble in water?
Why are ionic compounds soluble in water?
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What happens when you put the ionic crystal in water?
What happens when you put the ionic crystal in water?
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What is the definition of 'solvated'?
What is the definition of 'solvated'?
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What happens to the melting point with the greater the ionic charge?
What happens to the melting point with the greater the ionic charge?
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Study Notes
Properties of Ionic Compounds
- Ionic compounds consist of vast lattices formed by alternating positive and negative ions in a regular arrangement.
- The lattice structure is maintained by strong electrostatic attractions between positively and negatively charged ions.
Common Characteristics
- High melting and boiling points due to strong ionic bonds that require significant energy to break.
- Conduct electricity when molten or in solution, as ions are free to move; they cannot conduct electricity in solid form due to fixed positions.
- Often soluble in water as water molecules can separate and stabilize ions in solution.
Definitions
- An ionic bond is the electrostatic attraction between oppositely charged ions, which creates a stable compound.
- When ionic crystals dissolve in water, they dissociate into solvated positive and negative ions.
Electrical Conductivity
- Ionic compounds conduct electricity in molten state or solution because ions are mobile; in solid state, ions are locked in place, inhibiting current flow.
Solvation
- Solvated refers to ions being surrounded and stabilized by solvent molecules, allowing for dissolution.
Charge and Attraction
- The greater the ionic charge, the stronger the attraction between ions, resulting in higher melting points for compounds with greater charges.
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Description
This flashcard quiz covers key properties and definitions related to ionic compounds. Explore the characteristics of ionic lattices, the forces that hold them together, and their common properties. Perfect for students studying chemistry concepts!
