Chemistry
Grade-9
Easy

Question

What happens to the number of shells as you move down a group?

  1. They decrease by 1
  2. They increase by 1
  3. They increase by 2
  4. Nothing

hintHint:

Down the group shell increases by 1.

The correct answer is: They increase by 1


    • The horizontal rows in a periodic table is called periods.
    • The vertical columns in a periodic table is called groups.
    • As we move from left to right atomic number increases by 1.
    • As we move down the group number of shell increases by 1.