Podcast
Questions and Answers
What is the correct trend of electronegativity along a period in the periodic table?
What is the correct trend of electronegativity along a period in the periodic table?
- Remains constant
- Increases (correct)
- Fluctuates
- Decreases
In a covalent molecule, what determines whether a bond is polar or nonpolar?
In a covalent molecule, what determines whether a bond is polar or nonpolar?
- Number of hydrogen atoms present
- Electronegativity difference between the atoms (correct)
- Size of the atoms
- Atomic mass of the atoms involved
How is percentage yield calculated in a chemical reaction?
How is percentage yield calculated in a chemical reaction?
- Theoretical yield divided by actual yield, then multiplied by 100%
- Actual yield plus theoretical yield, then multiplied by 100%
- Actual yield divided by theoretical yield, then multiplied by 100% (correct)
- Theoretical yield minus actual yield, then multiplied by 100%
What is the major intermolecular force between two molecules when they exhibit hydrogen bonding?
What is the major intermolecular force between two molecules when they exhibit hydrogen bonding?
How do you name an ionic compound?
How do you name an ionic compound?
What is Avogadro's number used for in chemistry?
What is Avogadro's number used for in chemistry?
What type of chemical reaction involves the transfer of electrons?
What type of chemical reaction involves the transfer of electrons?
Which factor determines the shape and polarity of a covalent molecule?
Which factor determines the shape and polarity of a covalent molecule?
What is the major intermolecular force between two molecules in water (H2O)?
What is the major intermolecular force between two molecules in water (H2O)?
Which of the following is a non-electrolyte?
Which of the following is a non-electrolyte?
What is the main purpose of balancing a chemical equation?
What is the main purpose of balancing a chemical equation?
In a covalent compound, what does the Lewis structure indicate?
In a covalent compound, what does the Lewis structure indicate?
What does the molar mass of a compound represent?
What does the molar mass of a compound represent?
