Question

Example 1. A group of elements in the periodic table
are given below (boron is the first member of the group
and thallium is the last).
Boron, aluminium, gallium, indium, thallium
Answer the following question in relation to the above
group of elements.​

Answer 1

Boron, Aluminium, Gallium, Indium, Thallium is the group of element 13