You have a salt of the form where element X is a well-known, soft metal, grayish, with a unique oxidation number of +2 and common in living bones. For
On the other hand, element Y has a mass percentage of 19.97% in said salt.
to. Using this information, determine the identities of elements X and Y.
b. Write the electron configurations of each element, indicating whether it is
paramagnetic or diamagnetic.

Element X is Calcium

Element Y is Phosphorous

Explanation:

Electron Configuration for Calcium is [Ar] 4s²

Electron Configuration for Phosphorous is [Ne] 3s²3p³

Element X is Calcium

Element Y is Phosphorous

Explanation:

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i think so it’s will be b yes i believe its