Electronegativity Concepts and Comparisons

The video tutorial explains how to determine which element has a higher electronegativity by using the periodic table. It highlights the trend that electronegativity increases as you move towards fluorine. The tutorial compares the electronegativity of carbon and oxygen, showing that oxygen is more electronegative because it is closer to fluorine. The difference in electronegativity between carbon and oxygen is calculated, and the concept of covalent bonding is explained, emphasizing that a lower electronegativity difference results in shared electrons.

Which element is used as a reference point to determine electronegativity on the periodic table?

• Hydrogen

• Carbon

• Fluorine

• Oxygen

As you move across a period in the periodic table, what happens to the electronegativity?

• It decreases

• It remains the same

• It increases

• It fluctuates

What happens to electronegativity as you move up a group in the periodic table?

• It remains the same

• It fluctuates

• It increases

• It decreases

Which element is more electronegative, oxygen or carbon?

• Oxygen

• It depends on the compound

• They are equal

• Carbon

What is the difference in electronegativity between oxygen and carbon?

• 0.89

• 1.89

• 2.89

• 3.89

What type of bond is formed between carbon and hydrogen based on their electronegativity difference?

• Covalent bond

• Metallic bond

• Ionic bond

• Hydrogen bond

What is the threshold value of electronegativity difference for a bond to be considered covalent?

• 1.0

• 1.5

• 2.5

• 2.0

Why is oxygen more electronegative than carbon?

• It is heavier

• It is a gas

• It has more protons

• It is closer to fluorine

Which element is the most electronegative?

• Nitrogen

• Fluorine

• Carbon

• Oxygen