Question

Which element has the largest atomic radius?
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Answer 1

Cesium

Step-by-step explanation:

The element of the periodic table with the greatest radius corresponds to the cesium with 3.34 Angstroms. This can be visualized in the periodic table. When moving to the right of it (period, that is to say in a horizontal direction), the atomic number increases, the number of electrons increases and the atomic radius decreases. By moving vertically down columns (group), the effective nuclear charge increases by completing the electronic layers and the atomic radius increases.