The negatively charged atoms are known to show the electron affinity. Hydrogen is more reactive than oganesson based on electron affinity.
What is electron affinity ?
The amount of energy released when an electron is added to a neutral atom to create a negatively charged ion is known as electron affinity in chemistry.
Due to the difficulty in determining atoms' electron affinities, values are only known for a small number of chemical elements, primarily halogens.
Similar towards how chlorine can achieve the configuration of noble gases and become an electronegative ion, hydrogen has a high attraction for electrons, becoming the hydrogen anion and obtaining the stable configuration of helium.
The first synthetic element to belong to group 18 (the noble gases), oganesson has the potential to be substantially more reactive than the other members of that group.
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