"The physical and chemical properties of the elements are periodic functions of their atomic numbers." Structure of the Long Form Periodic Table:
The energy required to remove an electron. It increases across a period and decreases down a group. periodic classification of elements class 11 pdf download
The periodic table is divided based on the orbital being filled: "The physical and chemical properties of the elements
The ability to attract shared electrons. Fluorine is the most electronegative element. It increases across a period and decreases down a group. Summary for Quick Revision periodic classification of elements class 11 pdf download
Periodic Classification of Elements: Class 11 Comprehensive Guide & PDF
Before the Modern Periodic Table, several scientists attempted to organize the elements: