2.52)Write the electron configuration of the following ions using thespdf notation:a) Cr2+ , Cr3+ , Cr6+ ; b) Mo3+ , Mo4+ , Mo6+ ; Se4+ , Se6+ ,Se2-
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What is the electron configuration of each of the following?
a. Cr, Cr2+, Cr3+
b. Cu, Cu+, Cu2+
c. V, V2+, V3+
Write the electron configuration for each of the following ions, and determine which ones possess noble-gas configurations: (a) Sr2+, (b) Ti2+, (c) Se2-, (d) Ni2+, (e) Br-, (f) Mn3+.