Argon doesnt have the smallest atomic radius, its chlorine.Argon has the largest atomic radius in period 3.
Argon is the atom that has the smallest radius in Period 3. As you go cross Period 3 from left to right, the atomic radii of the elements decrease. The elements in Period 3 from left to right begin with sodium and ends with argon.
The covalent radius of argon is 106 +/- 10 picometers.
The covalent atomic radius of argon is 106 +/- 1o pm (pm is the acronym of the picometer).
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Because the trend is the same. Atomic radius decreases from left to right across a period.
Because the trend is the same. Atomic radius decreases from left to right across a period.
Argon, by far.
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Yes. Because argon is an element the smallest "piece" of it is referred to as an atom.
Argon
The reason Argon is the last element in its period is that it has the highest atomic number in its period, and that's the way all periods are arranged.
across a period, the atomic size decreases as the effective nuclear charge increases.