Worksheet: Periods in the Periodic Table

In this worksheet, we will practice connecting the period of an element in the periodic table to the number of occupied electron shells in its atoms.


Which of the following elements forms the most stable oxide with the formula M O 3 ?

  • A N b
  • B Z r
  • C Y
  • D M o
  • E S r

Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.