ru2+ electron configuration
The computer writes electron configurations in the form, for Co for example, [Ar]3d(7)4s(2), which we would write [Ar]3d74s2
Using the computer format enter the electron configuration of the ion below.
Answer:
Ru has an irregular ground state. Instead of being [Kr]5s^2 4d^6 like you’d think it’s actually [Kr]5s^1 4d^7
And then when you add the charge to it, you start by removing electrons from the highest n subshell, which is the 5s. You remove one of the two electrons from there and then that subshell is empty, so you then move to the 4d to remove the other electron. (Since you will not dip into the core electrons)
Your answer is:
Ru2+= [Kr]4d^6
ru2+ electron configuration
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