Math, asked by bdjam4471, 9 days ago

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Answered by thakurchander12

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number = 7, Mass number - 15 Which of the following is correct about these two atoms a) Electronic configural of X is 2,8, 4, while that of Y is 2, 8,5 b) Both X and Y contain 7 neutrons: c) X has 2 electron shells

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