Periodic Trends Answers

Which element would release the most energy while adding an electron to a neutral atom in the gas phase?

Which element would most likely have an electron affinity measuring closest to zero?

Which ion was formed by providing the second ionization energy to remove an electron?

Which element has a larger atomic radius than sulfur?

How does a lithium cation compare to a lithium atom?

Electronegativities of the elements Be, Mg, Ca, and Sr follow a specific trend within their group. Based on this trend, the atoms of which element will have the least attraction for an electron?

Selected properties of antimony (Sb) and iodine (I) are listed in the table below.ElementAtomic radius(pm)First ionization energy(kJ/mol)Electron affinity(kJ/mol)ElectronegativitySb145?–1032.05I1401008–295?Which predictions can most likely be made?

Electronegativities of the elements Na, Al, P, and Cl follow a specific trend across the period. Based on this trend, an electron will be most strongly attracted to

Among the elements of the main group, the first ionization energy increases

When electrons are added to the outermost shell of a carbon atom, it forms