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प्रश्न
The number of electrons in an ion Y2+ is 10. The atomic number of element Y is most likely to be :
विकल्प
8
12
10
14
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उत्तर
12
The atomic number of element Y would be 12.
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संबंधित प्रश्न
An element has an atomic number of 11 and its mass number is 23. What is the arrangement of electrons in the shells? State nuclear composition of an atom of the element.
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