no fixed limit
the vertical columns are known as groups
Groups of the Periodic Table are defined as vertical colums. There are 18 groups in the periodic table.
Vertical columns are referred as groups. They are also called families.
It arranges all known elements in a chart of rows and colums of increasing atomic number.
colums are called "families" or "groups". They are all placed in order according to the atomic number, and valend electrons
How many grams does NO from periodic table have
There are 18 groups on the periodic table.
There are 53 Elements in the Periodic Table.
There are 7 metalloids in periodic table. They are present on zigzag line in periodic table.
Elements with the same number of valence electrons are in the same group (or vertical column).
there are precisely 118 elements on the periodic table.
The periodic table has 7 periods on it.