1. What is the relationship between the number of protons and the electronegativity of an atom?
2. In terms of nuclear charge, explain why fluorine is more electronegative than oxygen?
3. In terms of (i) atomic size, (ii) nuclear charge and (iii) screening (shielding) effect, explain why lithium is more electronegative than caesium?
4. Write the formula for the molecule that has equal electron sharing that is not an element _____________________
5. Explain why atoms have different attractions for bonding electrons.
6. Define the first, Second, and Subsequent ionization energies.