Question

Name the element of Ist group having largest
atomic size ? ​

Answer 1

Answer:

Thus, we can conclude that in each period the first element has the largest size. The largest elements in group 1, 2 and 3 are helium, lithium and sodium respectively. Out of these elements, sodium is the largest in size due to the presence of three shells whereas lithium has two and hydrogen has one shell only.

Answer 2

Answer:

Thus, we can conclude that in each period the first element has the largest size. The largest elements in group 1, 2 and 3 are helium, lithium and sodium respectively. Out of these elements, sodium is the largest in size due to the presence of three shells whereas lithium has two and hydrogen has one shell only.