The correct order of density of $\mathrm{Be}, \mathrm{Mg}, \mathrm{Ca}, \mathrm{Sr}$ is

1. $\mathrm{Sr}\gt\mathrm{Be}\gt\mathrm{Mg}\gt\mathrm{Ca}$
2. $\mathrm{Be}\gt\mathrm{Mg}\gt\mathrm{Ca}\gt\mathrm{Sr}$
3. $\mathrm{Mg}\gt\mathrm{Ca}\gt\mathrm{Sr}^{\prime}\gt\mathrm{Be}$
4. $\mathrm{Ca}\gt\mathrm{Sr}\gt\mathrm{Be}\gt\mathrm{Mg}$

Solution

Density of Be is higher than Mg an Ca due to small size.

Asked in: AP EAMCET 2024 (20 May Shift 2)

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