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प्रश्न
Where would you locate the element with electronic configuration 2,8 in the Modern Periodic Table?
विकल्प
Group 8
Group 2
Group 18
Group 10
उत्तर
Group 18
Explanation -
According to the electronic configuration of the element, it has electrons occupying the first two shells so, it belongs to the second period. As the number of valance electrons is 8, so this element belongs to the eighteenth group in the modern periodic table.
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