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प्रश्न
The electronic configuration of an element T is 2, 8, 8, 1.
How many valence electrons are there in an atom of T?
टिप्पणी लिखिए
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उत्तर
It has one electron in the outermost orbit. So there is only one valence electron.
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अध्याय 1: Periodic Table, Periodic Properties and Variations of Properties - lntext Questions [पृष्ठ ६]
