Neon (Ne) in the second period on the Periodic Table of the elements has the highest atomic number in that period of 10.
The element in period 4 with the smallest atomic radius is argon. It has a smaller atomic radius compared to the other elements in period 4 because it is a noble gas with a full valence shell, resulting in a small atomic size.
The element nickel (Ni) has an atomic radius of 124 picometers.
The period 4 element with the smallest atomic radius is chlorine, which has a greater number of protons in the nucleus pulling the electrons closer, making it smaller compared to other elements in the same period.
Bismuth Francium has the largest atom - the greatest atomic radius.
Barium has a larger atomic radius than tin.
Fluorine
The element in period 4 with the smallest atomic radius is argon. It has a smaller atomic radius compared to the other elements in period 4 because it is a noble gas with a full valence shell, resulting in a small atomic size.
The element nickel (Ni) has an atomic radius of 124 picometers.
The period 4 element with the smallest atomic radius is chlorine, which has a greater number of protons in the nucleus pulling the electrons closer, making it smaller compared to other elements in the same period.
Lithium.
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Argon doesnt have the smallest atomic radius, its chlorine.Argon has the largest atomic radius in period 3.
The atomic radius is calculated by spctroscopic or X-ray methods.
The atomic radius of bromine is lower.
The element in row 8 (period 8) with the largest atomic radius is oganesson (Og). Oganesson is a synthetic element and is located at the bottom of the periodic table, hence it has the largest atomic radius among the elements in that row.
Bismuth Francium has the largest atom - the greatest atomic radius.
The atomic radius decreases across a period from left to right and increases down in a given group. That means that since the lower the element is in a group, the larger the atomic radius will be. The atoms with the largest atomic radii are located in Group I and are at the bottom of groups.