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JEE MAIN - Chemistry Hindi (2023 - 31st January Morning Shift - No. 4)

$$\mathrm{Nd^{2+}=}$$ ___________
$$\mathrm{4f^46s^2}$$
$$\mathrm{4f^3}$$
$$\mathrm{4f^4}$$
$$\mathrm{4f^26s^2}$$

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