Describe The Arrangement Of The Periodic Table. Describe the arrangement of the periodic table and why it is sometimes referred to as the chemists’ calendar describe the rows and columns what do they tell us about the elements in? This table is called the periodic table.

Features of modern periodic table there are eighteen vertical columns known as groups in the modern periodic table which are arranged from left to right and seven horizontal rows which are known as periods. When the elements were arranged in order of increasing mass, mendeleev observed a pattern in their properties, which allowed him to arrange the elements into rows and columns in a table, the periodic table. Describe the arrangement of the periodic table and why it is sometimes referred to as the chemists’ calendar describe the rows and columns what do they tell us about the elements in?