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Nuclear charge of an element B is twice that of A. If A has two completely filled orbits and L shell is its outermost orbit, find out atomic numbers of A and B. |
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Answer» SOLUTION :(i) CALCULATION of number of electrons in FIRST 2 shell. (ii) Calculation of atomic number of A (iii) Calculation of atomic number of B from A (IV) 10,20 |
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