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प्रश्न
There are four elements P, Q, R and S having atomic numbers of 4, 18, 10 and 16 respectively. The element which can exhibit covalency as well as electrovalency will be :
पर्याय
P
Q
R
S
MCQ
उत्तर
S
Element S has electronic configuration 2, 8, 6. It can exhibit covalency as well as electrovalency.
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