Periodic tables are important in most scientific classes because they help understand similarity of properties and reactions of elements.
hassium
Their atomic mass
SILVER see periodic tables
Read the explanations under your periodic table; not all periodic tables have colors.
Periods are types of elements.
Periodic tables are important in Chemistry classes because they help understand more about protons, electrons, and neutrons of various elements.
Different periodic tables use different weights because of the different technologies that are used.
The Periodic Table for Chemistry is as important as times tables for Maths.
Dmitri Mendeleev and Lothar Meyer
Mathematical analysis is tremendously important for understanding the result of an experiment.
The periodic tables.
hassium
Hydrogen.
Go to this website
The columns are known as groups.
no, they depend on what country your in
he made up the periodic tables