Podcast
Questions and Answers
Which factor is the best guide to determine the covalent or ionic character of a bond?
Which factor is the best guide to determine the covalent or ionic character of a bond?
- Mass number of the atoms
- Atomic radius of the elements
- Melting point of the compound
- Electronegativity difference between the atoms involved (correct)
What type of bond is generally formed between two nonmetals?
What type of bond is generally formed between two nonmetals?
- Covalent bond (correct)
- Metallic bond
- Coordinate covalent bond
- Ionic bond
Which atoms are held together by polar covalent bonds in polyatomic ions?
Which atoms are held together by polar covalent bonds in polyatomic ions?
- Atoms in an ionic bond
- Atoms sharing electrons unequally (correct)
- Atoms in a metallic bond
- Atoms with identical electronegativity
In potassium nitrate (KNO3), which type of bond exists between K+ and NO3− ions?
In potassium nitrate (KNO3), which type of bond exists between K+ and NO3− ions?
Which of the following bonds would have the highest polarity based on the electronegativity values provided?
Which of the following bonds would have the highest polarity based on the electronegativity values provided?
In amino acids, which bond has the highest polarity?
In amino acids, which bond has the highest polarity?
What type of compound is formed when polyatomic ions combine with ions of opposite charge?
What type of compound is formed when polyatomic ions combine with ions of opposite charge?
'Silicones' are polymeric compounds containing which types of covalent bonds among others?
'Silicones' are polymeric compounds containing which types of covalent bonds among others?
What kind of bond is expected between S and H in a covalent compound?
What kind of bond is expected between S and H in a covalent compound?
What role do bond polarities play in determining protein structure?
What role do bond polarities play in determining protein structure?
Arrange the following covalent bonds found in amino acids in order of increasing polarity: C–H, C–N, C–O, N–H, O–H.
Arrange the following covalent bonds found in amino acids in order of increasing polarity: C–H, C–N, C–O, N–H, O–H.
In potassium nitrate (KNO3), what type of bonding exists between the K+ cation and the NO3− anion?
In potassium nitrate (KNO3), what type of bonding exists between the K+ cation and the NO3− anion?
What types of covalent bonds are present in silicones, arranged in order of increasing polarity: Si–O, Si–C, C–H, C–C?
What types of covalent bonds are present in silicones, arranged in order of increasing polarity: Si–O, Si–C, C–H, C–C?
What are the atoms designated as δ+ and δ– in the bond C–O?
What are the atoms designated as δ+ and δ– in the bond C–O?
Explain the role of bond polarities in determining the structure of proteins.
Explain the role of bond polarities in determining the structure of proteins.
Which bond in amino acids has the highest electronegativity difference?
Which bond in amino acids has the highest electronegativity difference?
In silicones, which covalent bond has the highest polarity?
In silicones, which covalent bond has the highest polarity?
What is the role of bond polarities in determining the structure of proteins?
What is the role of bond polarities in determining the structure of proteins?
What is the electronegativity difference between C and O in the bond C–O?
What is the electronegativity difference between C and O in the bond C–O?
Which type of compound is formed when polyatomic ions combine with ions of opposite charge?
Which type of compound is formed when polyatomic ions combine with ions of opposite charge?
What factor is the best guide to determine the covalent or ionic character of a bond?
What factor is the best guide to determine the covalent or ionic character of a bond?
Between which two atoms do silicones typically have the lowest polarity bond?
Between which two atoms do silicones typically have the lowest polarity bond?
In potassium nitrate (KNO3), which type of bonding exists between the nitrogen and oxygen atoms in NO3−?
In potassium nitrate (KNO3), which type of bonding exists between the nitrogen and oxygen atoms in NO3−?
What determines the structure of proteins?
What determines the structure of proteins?
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