Concept explainers
Interpretation:
The element representing electronic configuration
Concept introduction:
The number of electrons in an element is equal to its
General rules for writing electronic configuration:
Electrons will reside in the available orbitals of lowest possible energy.
Each orbital can accommodate a maximum of two electrons.
Electrons will not pair in degenerate orbitals if an empty orbital is available.
Orbitals will fill in order of increasing energy
s-orbital can have 0–2 electrons.
p-orbital can have 0–6 electrons.
d-orbital can have 0–10 electrons.
f-orbital can have 0–14 electrons.
In electronic configuration, noble gas symbol in brackets represents core electrons.
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Chemistry
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