how do you write the element configuration of beryllium and what is it's orbital notation?

Md Ariful Islam

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Md Ariful Islam

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The electron configuration of beryllium (atomic number 4) is 1s22s2, which can also be indicated in noble-gas form as [He]2s2. Orbital notation is a drawing of electron configuration where s,p,d,f are the kind of the orbitals and the number in degrees is the how many electrons are present at this orbital.
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