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प्रश्न
Electronic configuration of species M2+ is 1s2 2s2 2p6 3s2 3p6 3d6 and its atomic weight is 56. The number of neutrons in the nucleus of species M is
पर्याय
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30
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उत्तर
30
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संबंधित प्रश्न
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| ? | ? | 0 | 4d |
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| ? | ? | −2 | 3d |
