Transition metals that have 1 or 2 valence electrons, and give 1 0r 2 electrons away to form compounds.
groups are the vertical columns on the periodic table
the vertical columns in the periodic table are known as groups.
7 periods and 18 groups are there on the modern periodic table.
periodic table is classified into groups and periods.There are 18 groups and 7 periods in periodic table.
There are 18 groups and 7 periods in the modern periodic table.
groups
There are a total of 18 groups on The Periodic Table of Elements.
There are 18 groups in the periodic table of elements.
group or family
The transition metals are located in groups 3 - 12 on the Periodic Table.
There are 18 groups on the periodic table.
There are 18 groups in periodic table. They are also referred as families.