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Question
The element with atomic number 56 is likely to have the same outer shell configuration as the element with atomic number __________.
The element with atomic number 56 is likely to have the same outer shell configuration as the element with atomic number __________.
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Solution
The correct option is A 12
Electronic configuration of the element X is - 2, 8, 8, 18, 18, 2- It has two electrons in outer shell. The element with atomic number 12 also have 2 electrons in its valence shell -2, 8, 2.
Electronic configuration of the element X is - 2, 8, 8, 18, 18, 2- It has two electrons in outer shell. The element with atomic number 12 also have 2 electrons in its valence shell -2, 8, 2.
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