Write the electronic configuration of element X, given by its symbol as under: 40,20X
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Write the electronic configuration of element X, given by its symbol as under: 40,20X
answer :
(i) Electronic configuration of element X (with atomic number – 20) is 2, 8, 8, 2.
(ii) It belongs to the 2nd group and 4th period of the modern periodic table.
(iii) It will form basic oxides as it is metallic in nature.
(iv) Magnesium (Mg)