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प्रश्न
Where would you locate the element with electronic configuration 2, 8 in the modern periodic table?
पर्याय
Group 8
Group 2
Group 18
Group 10
MCQ
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उत्तर
Group 18
Explanation:
The element with an electronic configuration of (2, 8) belongs to group 18 (noble or inert gases) of the periodic table, as the elements in this group have their valence shell completely filled with electrons.
Group number = valence shell + 10
= 8 + 10 = 18.
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