how to learn modern periodic table elements features

Modern Periodic Table

The periodic table displays the chemical elements in a tabular format also known as the periodic table of elements arranged by their chemical properties, atomic number, and electronic configuration.

Here is the article that will help you the modern periodic table features, images, characteristics, its merits, discovery and long-form.

Characteristics features of modern periodic table

• The elements are arranged based on their increasing atomic number.
• There are 7 periods and 18 groups in the table.
• All the groups are divided into sub groups A and B except 0 and 8th group in the modern periodic table.

Limitations of modern periodic table

• Position of hydrogen :- It could not assign a correct position to hydrogen in the table
• The lanthanides and actinides:- They are not placed in the main body of the table
• Position of isotopes:There are no separate positions for isotopes of an element

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