Which of the following alkali metals has the biggest atomic radius? Group of answer choicesRubidiumSodiumCesiumPostassium PreviousNext
Question
Solution 1
The alkali metal with the biggest atomic radius is Cesium.
Here's why:
The atomic radius of an element tends to increase as you move down a group on the periodic table. This is because with each row, there is an additional electron shell around the nucleus, which increases the size of the atom.
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