The elements are lined up in rows (horizontically, called periods 1 to 7) and in colums (vertically, called groups, 1 to 8 or 1 to 18).
All elements in the same group react in similar ways. All elements in one period have nothing in common.
Take a view to the Periodic Table via 'Related Links' just below this answer.
its when too atoms are alike
sulphur, selenium
Mendeleev's periodic table was similar to the modern periodic table in that both are organized by increasing atomic number and have elements grouped according to similar chemical properties. Additionally, both tables have blank spaces where undiscovered elements were predicted to exist.
They are both Neutron of the periodic table and they both cantain 20% of sperm in them.
Metals are good conductors and mostly all on the left side of the periodic table of elements.
They are in a Group on the periodic table of elements. They are both metals. Other than that they have nothing in common
It is named The PERIODIC TABLE. The periods being the horizontal rows The groups being the vertical columns.
A group in Periodic Table is the column of element in periodic table
Sodium and chlorine are both elements on the periodic table. They can form an ionic bond to create sodium chloride, a common salt compound. Additionally, they are both essential for various biological functions in the human body.
It is called the Periodic Table of Elements.
There are no compounds on the periodic table. The periodic table only lists elements.
who introduced the first Periodic Table