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InterviewSolution
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Think about it, The atomic number of beryllium is 4 while that of oxygen is 8. Write down the electronic configuration of the two and deduce their valency from the same. |
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Answer» Solution :Atomic number of BERYLLIUM is 4 `:.` Its ELECTRONIC configuration is 2, 2 Atomic number of oxygen is 8 `:.` Its electronic configuration is 2, 6 Valency of Beryllium is 2 and valency of Oxygen is also 2. |
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