Podcast
Questions and Answers
What is a covalent bond and how is it formed?
What is a covalent bond and how is it formed?
A covalent bond is an electrostatic force of attraction between positive nuclei and a shared pair of electrons.
How do the melting points and boiling points of covalent compounds compare to ionic compounds?
How do the melting points and boiling points of covalent compounds compare to ionic compounds?
Covalent compounds generally have low melting and boiling points, while ionic compounds have high melting and boiling points.
Explain why covalent compounds do not conduct electricity when dissolved in water.
Explain why covalent compounds do not conduct electricity when dissolved in water.
Covalent compounds do not conduct electricity in water because they do not produce ions upon dissolution.
What are allotropes, and can you give an example involving carbon?
What are allotropes, and can you give an example involving carbon?
List two properties that distinguish covalent compounds from ionic compounds.
List two properties that distinguish covalent compounds from ionic compounds.
What is the primary characteristic of an ionic lattice structure?
What is the primary characteristic of an ionic lattice structure?
How does the formation of an ionic bond occur?
How does the formation of an ionic bond occur?
Why do ionic compounds not conduct electricity in solid state?
Why do ionic compounds not conduct electricity in solid state?
What happens to ionic compounds when they are in molten state regarding conductivity?
What happens to ionic compounds when they are in molten state regarding conductivity?
Describe the term 'lattice' as it relates to atomic structure.
Describe the term 'lattice' as it relates to atomic structure.
Flashcards
Lattice
Lattice
A regular repeating pattern of atoms forming a 3D structure.
Ionic Lattice
Ionic Lattice
A repeating pattern of alternating positive and negative ions forming a 3D structure.
Ionic Bond
Ionic Bond
An electrostatic force of attraction between oppositely charged ions. It forms when a metal loses electrons and a nonmetal gains them.
Ionic Compounds and Electricity
Ionic Compounds and Electricity
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Ionic Compounds and Electricity (Molten)
Ionic Compounds and Electricity (Molten)
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Covalent Bond
Covalent Bond
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Nonpolar Covalent Bond
Nonpolar Covalent Bond
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Polar Covalent Bond
Polar Covalent Bond
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Allotropes
Allotropes
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Graphite
Graphite
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Study Notes
Atoms Combining
- Lattices: Regular repeating patterns of atoms, forming 3D structures.
- Ionic Lattices: Alternating positive and negative ions in a regular pattern, resulting in a 3D structure.
- Ionic Bonds: Electrostatic attraction between oppositely charged ions. These bonds form between a metal and a nonmetal. The metal loses electrons, and the nonmetal gains them.
- Ionic Compounds in Solids: Do not conduct electricity in solid form because ions are fixed in place.
- Ionic Compounds in Molten State: Conduct electricity when molten (liquid) because ions are free to move.
- Covalent Bonds: Electrostatic attraction between positive nuclei and shared pairs of electrons.
Allotropes
- Allotropes: Atoms of the same element with different structural forms.
- Graphite: Carbon atoms bonded to three other carbon atoms in a layered structure.
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