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Which of the following has the lowest de...

Which of the following has the lowest density?

A

Be

B

Mg

C

Ca

D

Sr

Text Solution

Verified by Experts

The correct Answer is:
C
The densities of alkaline earth metals do not show any regular trend with increasing atomic number. The density of these metals first decreases from Be to Ca (due to decrease in the packing of atoms in their solid lattice) and then increases form Ca to Ba.
`Ra gt BA gt Sr gt Be gt Mg gt Ca`
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