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Questions and Answers
What is the main compound found in sand?
What is the main compound found in sand?
- Silicon monoxide
- Silicon dioxide (correct)
- Silicon nitride
- Silicon carbide
What type of structure does silica (silicon dioxide) have?
What type of structure does silica (silicon dioxide) have?
- Giant ionic structure
- Metallic structure
- Simple molecular structure
- Giant covalent structure (correct)
Why do substances with giant covalent structures have high melting and boiling points?
Why do substances with giant covalent structures have high melting and boiling points?
- They contain charged particles
- They have weak intermolecular forces
- They have weak covalent bonds
- They have strong covalent bonds (correct)
Which substance is an exception and can conduct electricity among substances with giant covalent structures?
Which substance is an exception and can conduct electricity among substances with giant covalent structures?
According to Coulomb's law, the electrostatic forces holding a salt C+A− together are roughly how many times weaker than C2+A2−?
According to Coulomb's law, the electrostatic forces holding a salt C+A− together are roughly how many times weaker than C2+A2−?
How is the lattice energy of a solid crystalline ionic compound calculated using the Born–Landé equation?
How is the lattice energy of a solid crystalline ionic compound calculated using the Born–Landé equation?
According to Coulomb's law, the electrostatic forces holding a salt C+A− together are roughly how many times weaker than C2+A2−?
According to Coulomb's law, the electrostatic forces holding a salt C+A− together are roughly how many times weaker than C2+A2−?
What are the two principal factors in determining the form of the lattice in ionic compounds?
What are the two principal factors in determining the form of the lattice in ionic compounds?
What term is used to describe the enthalpy change in forming a solid crystalline ionic compound from gaseous ions?
What term is used to describe the enthalpy change in forming a solid crystalline ionic compound from gaseous ions?
Which equation can be used to calculate the lattice energy of an ionic compound?
Which equation can be used to calculate the lattice energy of an ionic compound?
What effect is summarized by Fajans' rules in crystal lattices of purely ionic compounds?
What effect is summarized by Fajans' rules in crystal lattices of purely ionic compounds?
According to Coulomb's law, the electrostatic forces holding a salt C+A− together are roughly how many times weaker than C2+A2−?
According to Coulomb's law, the electrostatic forces holding a salt C+A− together are roughly how many times weaker than C2+A2−?
What is the term used to describe the enthalpy change in forming a solid crystalline ionic compound from gaseous ions?
What is the term used to describe the enthalpy change in forming a solid crystalline ionic compound from gaseous ions?
Which equation can be used to calculate the lattice energy of an ionic compound?
Which equation can be used to calculate the lattice energy of an ionic compound?
What effect is summarized by Fajans' rules in crystal lattices of purely ionic compounds?
What effect is summarized by Fajans' rules in crystal lattices of purely ionic compounds?
What is the main difference between ionic bonding and covalent bonding?
What is the main difference between ionic bonding and covalent bonding?
According to Coulomb's law, the electrostatic forces holding a salt C+A− together are roughly how many times weaker than C2+A2−?
According to Coulomb's law, the electrostatic forces holding a salt C+A− together are roughly how many times weaker than C2+A2−?
What is the term used to describe the enthalpy change in forming a solid crystalline ionic compound from gaseous ions?
What is the term used to describe the enthalpy change in forming a solid crystalline ionic compound from gaseous ions?
What effect is summarized by Fajans' rules in crystal lattices of purely ionic compounds?
What effect is summarized by Fajans' rules in crystal lattices of purely ionic compounds?
What type of structure does silica (silicon dioxide) have?
What type of structure does silica (silicon dioxide) have?
What are the two principal factors in determining the form of the lattice in ionic compounds?
What are the two principal factors in determining the form of the lattice in ionic compounds?
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