Question: Give the number of elements in period 2 of the periodic table
The rows going from left to right across the Periodic Table are called Periods.
The periods are numbered from 1 at the top to 7 on the bottom.
The first period contains only 2 elements: hydrogen and helium.
The second period contains 8 elements: lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine and neon.
Find out more about how the periodic table is arranged at http://www.ausetute.com.au/pertable.html
Find more about the elements making up Period 2 at http://www.ausetute.com.au/trendpd2.html