Which diagram shows a pair of electrons that have opposite spins? updown, up down, up up, upup

QUESTION POSTED AT 29/05/2020 - 12:15 AM

Answered by admin AT 29/05/2020 - 12:15 AM

The pair with opposite spins is
up down
The spins of electrons are designated using arrows and opposite spins are designated by arrows facing in the opposite directions. Electrons must occupy opposite spins when they are in the same orbital in order to ensure that they are in their most stable configuration. 
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