Podcast
Questions and Answers
Why can only two electrons occupy an orbital?
Why can only two electrons occupy an orbital?
- To avoid electron repulsion
- To satisfy Hund's rule
- To follow the Pauli exclusion principle (correct)
- To increase chemical stability
What did Kekulé and Couper observe about carbon in terms of bonding?
What did Kekulé and Couper observe about carbon in terms of bonding?
- Carbon always has four bonds (correct)
- Carbon never participates in bonding
- Carbon always forms single bonds
- Carbon has a variable number of bonds
Why do atoms form chemical bonds according to the text?
Why do atoms form chemical bonds according to the text?
- To form more stable compounds (correct)
- To increase atomic size
- To enhance reactivity
- To reduce stability
What is the significance of the tetrahedral arrangement of atoms around carbon?
What is the significance of the tetrahedral arrangement of atoms around carbon?
How are ionic bonds in salts formed?
How are ionic bonds in salts formed?
What is the shape of s orbitals?
What is the shape of s orbitals?
Which type of bond has a circular cross-section?
Which type of bond has a circular cross-section?
How many sp2 hybrid orbitals does carbon use in double bonds?
How many sp2 hybrid orbitals does carbon use in double bonds?
What geometry does carbon have in single bonds with tetrahedral geometry?
What geometry does carbon have in single bonds with tetrahedral geometry?
How many unhybridized p orbitals does carbon use in a triple bond with linear geometry?
How many unhybridized p orbitals does carbon use in a triple bond with linear geometry?
What does the bond length represent?
What does the bond length represent?
Why do nuclei repel when they are too close in distance?
Why do nuclei repel when they are too close in distance?
What type of hybrid orbitals form the four identical C-H bonds in methane (CH4)?
What type of hybrid orbitals form the four identical C-H bonds in methane (CH4)?
How many valence electrons does carbon have in its 2s2 2p2 configuration?
How many valence electrons does carbon have in its 2s2 2p2 configuration?
What is the bond angle of each H-C-H bond in methane (CH4)?
What is the bond angle of each H-C-H bond in methane (CH4)?
How many valence electrons does carbon have?
How many valence electrons does carbon have?
Which molecule forms two bonds despite having six valence electrons?
Which molecule forms two bonds despite having six valence electrons?
What is the term for valence electrons that are not used in bonding?
What is the term for valence electrons that are not used in bonding?
How many bonds can nitrogen typically form despite having five valence electrons?
How many bonds can nitrogen typically form despite having five valence electrons?
What type of bond forms when a singly occupied orbital on one atom overlaps with a singly occupied orbital on another atom?
What type of bond forms when a singly occupied orbital on one atom overlaps with a singly occupied orbital on another atom?
In the reaction 2H+→ H2, how much energy is released?
In the reaction 2H+→ H2, how much energy is released?
What is the hybridization of carbon in ethane?
What is the hybridization of carbon in ethane?
What is the bond angle between the hydrogen atoms in ethylene?
What is the bond angle between the hydrogen atoms in ethylene?
What type of bond forms the C=C bond in ethylene?
What type of bond forms the C=C bond in ethylene?
How many sigma bonds does a carbon-carbon triple bond in acetylene have?
How many sigma bonds does a carbon-carbon triple bond in acetylene have?
What is the bond angle between the two hybrid orbitals in acetylene?
What is the bond angle between the two hybrid orbitals in acetylene?
Which statement best describes the relationship between ethylene and acetylene in terms of hybridization?
Which statement best describes the relationship between ethylene and acetylene in terms of hybridization?
