chem: add exceptions for chromium and copper to e config

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eggy 2020-11-05 10:20:16 -05:00
parent c4db57b35d
commit af2d5a76c2

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@ -431,6 +431,11 @@ The electron configurations of an ion may be the same as a noble gas or another
The condensed electron configuration of bromine is:
$$\text{[Ar] 4s}^2\text{ 3d}^{10}\text{ 4p}^5$$
!!! warning
There is a slight energy advantage to **full/half-full** orbital sublevels. As such, there are two **exceptions** to electron configuration that differ from their predicted electron configuration:
$$\text{Cr: [Ar] 4s}^1 \text{ 3d}^5$$
$$\text{Cu: [Ar] 4s}^1 \text{ 3d}^{10}$$
### Quantum numbers
Quantum numbers are a set of four numbers that are used to describe the specific location of an electron, similar to a coordinate system.