Which of the given elements \( \mathrm{A}, \mathrm{B}, \mathrm{C}, \mathrm{D} \) and \( \mathrm{... VIDEO
Which of the given elements \( \mathrm{A}, \mathrm{B}, \mathrm{C}, \mathrm{D} \) and \( \mathrm{E} \) with atomic number \( 2,3,7,10 \) and 30 respectively belong to the same period?https://bit.ly/YTAI_PWAP https://www.pw.live
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