periodic table

periodic table   Dan periodic table

The periodic table, also called as the periodic table of elements, is a classification of elements and atomic types according to their increasing atomic

It is called periodic because elements are lined up in cycles or periods From left to right elements are lined up in rows based on their atomic number (the The periodic table is a tabular array of the chemical elements organized by atomic number, from the element with the lowest atomic number,

แตกแรง The periodic table is the table that indexes all chemical elements It is arranged in order of atomic size The periodic table contains seven periods 5 In each period, the elements' atomic numbers increase from