3 years ago

What is the meaning of 1s2 electron configuration (tell what 1 means, the s means and the superscript of 2 means)?

1 answer:

8 0

The electrons around an atom occupy orbitals called shells in a fixed order. The s orbital is the first and smaller and can hold 2 electrons.
In this case, there are 2 electrons in this atom as 2 electrons are in the s orbital.<span>
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