Give the abbreviated electron configuration for each of the

Give the abbreviated electron configuration for each of the following ions: a) Cr3+ and b) Si4- (silicide ion)

Give the abbreviated electron configuration for each of the following ions: a) Cr3+ and b) Si4- (silicide ion)

I actually got this answer wrong, but my instructor gave me the correct answers.

Cr3+ is [Ar] 3d3
Si4- is [Ar] 3s2 3p6

Give the abbreviated electron configuration for each of the following ions: a) Cr3+ and b) Si4- (silicide ion) Give the abbreviated electron configuration for e

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