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प्रश्न
Element A has 2 electrons in its M shell. Element B has atomic number 7.
Write equations to show how A and B form ions.
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उत्तर
\[\ce{A - 2e- -> A^2+}\] (cation)
\[\ce{B + 3e- -> B^3-}\] (anion)
संबंधित प्रश्न
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