We’re request to find the number of outer-shell d electrons in each of the 4 change metal ion shown.

You are watching: How many outer shell d electrons

For this, we need to find the total number of electrons in the atom and write the condensed configuration using the noble gas notation.

First, remember that thenumber of electron in a neutral atomequals the number of protons, which amounts to theatomic number.

So, us assign the atomic variety of each facet as the total number of electrons in a neutral state:

Re (75electrons)

Sc (21electrons)

Ru (44electrons)

Hg (80electrons)


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Problem Details

How numerous outer-shell d electrons are there in every of the following transition-metal ions?

Re(III) =

Sc(III) =

Ru(IV) =

Hg(II) =


Learn this topic by watchingThe Electron Configuration: Ions concept Videos
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