PERIODIC LAWS AND PERIODIC TREND IN PROPERTIES OF ELEMENTS
MODERN PERIODIC LAW
According to modern periodic law, “The physical and chemical properties of elements are the periodic function of their atomic numbers.”
Modern Periodic Table
- Periodic table is an arrangement of elements with similar properties placed together.
- Elements have been arranged in order of increasing atomic number.
- It has seven horizontal rows known as periods.
- There are sixteen vertical columns which are called groups or families.
- The transition ...