The energy of separation of an electron in a hydrogen like atom in excited state is 3.4eV. The de-Broglie wave length (in Å) associated with the electron is : The energy of separation of an electron in a hydrogen like atom in excited state is 3.4eV. The de-Broglie wave length (in Å) associated with the electron is : November 10, 2020 Category: Chapter 2 - Atomic Structure (Level 1 and Level 2) , N Awasthi Physical Chemistry , Facebook Messenger WhatsApp Share this:TwitterFacebook Related