transitional metals, to be specific the elements are actually on the table if you look at it closely:)
These groups are called Transition elements. They are present in the middle of periodic table.
There are 18 groups in the periodic table of elements.
Transition elements
There are 18 groups and 7 periods in the modern periodic table.
Groups in the periodic table are the vertical columns in which the elements are arranged.
There are 18 groups in the Periodic Table of elements.
The 38 elements in groups 3 through 12 of the periodic table are the transition metals.
There are a total of 18 groups on The Periodic Table of Elements.
In the periodic table chemical elements are orderd in periods and groups.
All groups in the periodic table contain chemical elements.
The elements with similar properties are placed in groups. Periodic table contain 18 groups.
There are 18 main groups in the modern periodic table of elements.