The ionisation energy of hydrogen atom is 13.6 eV, the ionisation energy of helium atom would be the ionisation energy of helium atom would be The ionisation energy of hydrogen atom is 13.6 eV August 16, 2020 Category: Chapter 30 - Atoms , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related