To make study of elements easier.
To classify elements.
no - gases are few in number - metals make up most of the periodic table
No, Dmitri Mendeleev in Russia developed the first periodic table.
You dont
118 elements.
The answer is Group 17 Halogens.
Sperm is not an element and therefore does not form any part of the periodic table.
It is named The PERIODIC TABLE. The periods being the horizontal rows The groups being the vertical columns.
No they did not.
He is the founder of the periodic table. He arranged the elements according to the atomic masses. Few changes are made in his periodic table to make the modern periodic table.
Some elements in the periodic table have a nucleus that is surrounded by a cloud of electrons with a negative charge. This is one sentence using nucleus and periodic table.
A group in Periodic Table is the column of element in periodic table
It is called the Periodic Table of Elements.