What is the periodic table?

Los Alamos National Laboratory: Periodic Table of Elements periodic table

The periodic table is the table that indexes all chemical elements It is arranged in order of atomic size

periodic table Periodic table definition: a table illustrating the periodic system, in which the chemical elements, formerly arranged in the order of their atomic weights eriodic Table of Elements Li7 3 lithium Na23 11 sodium K39 19 potassium Rb85 37 rubidium Cs133 55 caesium Fr 87 * The Lanthanides (atomic Periodic table definition: a table illustrating the periodic system, in which the chemical elements, formerly arranged in the order of their atomic weights

พัดลม แม็คโคร 1 แถม 1 The periodic table was developed by grouping elements with similar properties This, together with a later arrangement by atomic weight, led to a repeating