Choose the best answer: NCERT- Exemplar questions - III — task. Science CBSE, Class 10.

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1. The elements X, Y and Z are shown in a portion of periodic table. What would be the representations of ionic forms of X and Z respectively?

\(X^2{^+}\) and \(Z^2{^+}\)
\(X^2{^-}\) and \(Z^2{^+}\)
\(X^-\) and \(Z^+\)
\(X^+\) and \(Z^-\)

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