Write the electronic configuration of element X, given by its symbol as under :

Class 10th Science Term 2, Question - Write the electronic configuration of element X, given by its symbol as under :

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Science Class 10 Term 2, Answer to the question – Write the electronic configuration of element X, given by its symbol as under :
4020 X

The answer to the question –

Electronic configuration of element X (with atomic number – 20) is 2, 8, 8, 2.