Practice problem
Atoms — Definition & Overview
By Gabi Slizewska
+1 contributors
Contributors
Image Source: By Pumbaa CC BY-SA 2.0 uk, via Wikimedia Commons
Image Source: By Greg Robson CC BY-SA 2.0 uk, via Wikimedia Commons
The diagram above shows the electrons and the energy levels they are in for Krypton and Fluorine respectively. Which atom is more reactive?