The chemical family from H to Fr are belong to alkali metals.
The all elements of chemical family indicated to Be which is vertical column is alkaline earth metals.
The chemical family at second last from right indicating F element is called halogen.
The chemical family indicated from He to Rn is called Noble gases.
The chemical family indicated at the center of the periodic table is called transition metals.
What is periodic table?
The tabular arrangement of all elements according to their similar properties and increasing order of atomic number is called periodic table.
To learn more about periodic table here.
https://brainly.com/question/11155928
#SPJ3
