Assertion (A) : Each electron in an atom has two spin quantum number. Reason (R ) : Spin quantum numbers are obtained by solving schrodinger wave equation. Assertion (A) : Each electron in an atom has two spin quantum number. Reason (R ) : Spin quantum numbers are obtained by solving schrodinger wave equation. November 9, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 30 - Atoms , Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related