on what basis modern periodic table has been formed?
Answers
The modern periodic table has been formed on the basis of the electronic configuration of the elements.
• The periodic table is the scientific arrangement of the 118 elements present in our environment on the basis of the electronic configuration of these elements.
• This modern periodic table is modified from the initial Mendeleev's periodic table which was based upon the atomic mass of the elements.
• This modern periodic table according to the electronic configuration is much more accurate in terms of elements classification ,than the older Mendeleev's periodic table.
Answer:
The modern periodic table was formed based on the electronic configuration of the elements. It has 118 elements present based on electronic configuration.
Explanation:
Chemists were always looking for ways of organizing the elements based on similarity in properties. The modern periodic table has listed the elements in increasing order of atomic number (the no. of protons in the nucleus of that atom). Historically, scientists tried to organize the elements relative atomic masses. It was majorly because of thinking that the idea of atoms is being made up of smaller sub-atomic particles (neutrons, electrons and protons) had not identified. Nevertheless, the modern periodic table has been well established on the basis and even can be used to predict the properties of the undiscovered elements even before the concept of the atomic number has been developed.
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