Question

(i)
Electronic configuration of Cris:​

Answer 1

• on order to write the Chromium electron configuration we first need to know the number of electrons for the Cr atom (there are 24 electrons). Once we have the configuration for Cr, the ions are simple. When we write the configuration we'll put all 24 electrons in orbitals around the nucleus of the Chromium atom.

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Answer 2

Answer:

A trivalent cation of metal (x) combines with sulphite ion .Write the formula of compound. Plz give correct answer .

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