Hydrogen has the smallest atomic size of any element.
Lithium is the smallest element in the periodic table if Hydrogen and Helium are excluded.
Hydrogen
Hydrogen (H) - with a single proton and electron.
The smallest atom in the periodic table is hydrogen, not fluorine.
francium
Hydrogen is the first, smallest, and lightest element. It is number 1 in the periodic table of elements.
nitrogen
The smallest diameter in the periodic table belongs to the element helium, as it has the smallest atomic radius due to its high nuclear charge and the attraction between the electrons and the nucleus.
Fluorine is the smallest halogen on the periodic table.
Hydrogen because it has only one proton and one electron
The element abbreviated with As on the periodic table is Arsenic
The smallest element known to man is Hydrogen (H).