[tex]\large\bold{\underline{Hydrogen}}[/tex]
Answer:
Helium is the atom having the smallest size.
The atomic radius gets smaller because the electron orbit fills up to form an octet and for each of the additional electron, a proton is added to the nucleus, pulling all the electron shells closer around the nucleus.
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[tex]\large\bold{\underline{Hydrogen}}[/tex]
Answer:
Helium
Helium is the atom having the smallest size.
The atomic radius gets smaller because the electron orbit fills up to form an octet and for each of the additional electron, a proton is added to the nucleus, pulling all the electron shells closer around the nucleus.