Question

When we go down the group in a periodic table there is gradual change in : (A) Chemical properties only (B) Physical properties only (C) Both physical and chemical properties (D) None of these​

Answer 1

Explanation:

Physical properties,...Am i right

When it go down the group in a periodic table the atomic number increases and also the energy levels increases

Answer 2

When we go down the group in a periodic table there are a gradual change in [C] Both physical and chemical properties change when we go down the group in a periodic table.

• This is caused due to the change in Atomic Number assigned to each element according to the Modern Periodic Table.
• After previous attempts at creating the periodic table using Mass Numbers, each element still could not be differentiated until the Modern Long form of the periodic table came into being using Atomic Numbers.