An element has 3 valence electrons in its outermost 3rd shell, the name of element is
(i) B
(ii) Al
(iii) Ga
(iv) In
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boron has three valence electrons
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aluminum is the right answer as they have told that the 3rd she'll is completely filled, the atomic number of al is 13 and electronic configuration will be 2,8,3
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