Arrangement with the elements of the second main groupof the periodic system. From left: beryllium, Magnesium, Calcium, Strontium, Barium, and Radium represented with a compound.

Arrangement with the elements of the second main groupof the periodic system. From left: beryllium, Magnesium, Calcium, Strontium, Barium, and Radium represented with a compound. - 140711702

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