Exceptional Periodic Trends or Periodic Table | Exceptions of Periodic Table

Compare and contrast the arrangement of elements in Mendeléev’s Periodic Table and the Modern Periodic Table.

The 3rd period of the periodic table contains

State the fundamental property on which the modern periodic table or long form of periodic table is based.

State the fundamental property on which the modern periodic table or long form of periodic table is based.

Horizontal rows of periodic table are called

Define a period of the modern periodic table of elements.

How could the Modern Periodic Table remove various anomalies of Mendeléev’s Periodic Table?

Mendeleev's contributions to the concept of periodic table laid the foundation for the Modern Periodic Table. Justify your answer giving three points.

Vertical columns of periodic table are known as

The fourth period of modern periodic table includes: