Question

How does the electronic configuration of an atom relate to it's position in the modern perodic table

Answer 1

Answer:

how does the electronic configuration is related to the atom in the modern periodic table

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For any element number of valence electrons is equal to its group number. Here oxygen contains 6 valence electrons hence, it belongs to VI A group. For any element the valence shell number is equal to its period number. In oxygen 3rd shell is the outermost shell (Valence shell) hence, it belongs to period 3.

Answer 2

Explanation:

In the modern periodic table, atoms with similar electronic configurations are placed in the same column. In a group, the number of valence electrons remains the same.

Elements across a period show an increase in the number of valence electrons.