Increasing Principal Quantum #
Increasing Atomic Radius
Increasing Ionization Energy (IE)
Increasing Electron Affinity (EA)
Within a period:
CATIONS are
smaller than
NEUTRAL atoms
which are smaller
than ANIONS.
Summary of Periodic Trends
Increasing Electron Affinity (EA)
Increasing Ionization Energy (IE)
Increasing Atomic Radius (Neutral Atoms)
Increasing Effective Nuclear Charge (Zeff)