Periodic table

periodic table  Each element within the periodic table has its own block Within these blocks are identifying numbers and letters The number on the very top is called the The periodic table is the table that indexes all chemical elements It is arranged in order of atomic size

Bohr's table added elements discovered since 1869, but it was still, in essence, the periodic arrangement that Mendeleev had discovered Without The alkaline earth metals represent the second column on the periodic table Its six elements extend from beryllium to radium These

ตารางธาตุ : Periodic Table of the Elements  View our new Interactive Periodic Table! · 1) Hydrogen · 2) Helium · 3) Lithium · 4) Beryllium · 5) Boron · 6) Carbon · 7) Nitrogen · 8) Oxygen