Which element posses the higher atomic radius in the below table?

Answer the following from the above information . Which element posses the higher atomic radius in the above table ?

Which element has highest atomicity?

Which element has smallest atomic radius?

Which element has largest atomic radius?

Identify the element that has the larger atomic radius in the given pair of elements and mark it with a symbol. Mg or Ca

The atomic radius of which element is least

Among the III A group elements, the difference in the atomic radius is large in between

Among the III A group elements, the difference in the atomic radius is large in between

Among the III A group elements, the difference in the atomic radius is large in between

How does the atomic radius vary in a period of elements?