19,916
edits
Changes
no edit summary
===About the Outer Shell===
: The '''outer shell''' is the only [[Electron Orbital|electron orbital]] that is affected in [[Chemical Reaction|chemical reactions]].
: The number of [[electron]]s in the last '''orbitalOuter Shell''' ([[Outer Shell]]) determines the [[Group (Chemistry)|Group]] on the [[Periodic Table]].
{| class="wikitable"
|-