Explain why Se has a smaller atomic radius than K?

Why does Na have a larger atomic radius than Li?

Which has the smaller Na+ or Na?

Definition for ionization energy is?

Which is the rule for ionization energy down a group?

Is the process of ionization energy is endothermic?

Which one had the greatest electronegativity Al or Cl and why?

Identify the forces in H202

Explain why HCI has a higher boiling point than F2.

Explain the shape of XeF4.

Determine the shape of SF4

Definition of enthalphy of vaporization

Definition of enthalphy of combustion.

Definition of enthalphy of formation.