Question

The number of electrons of some elements is given here. By using it write the electronic configuration, number of valence electron and valency of the respective elements.
Element Li C Mg O
Number of electrons 3 6 12 8
Electronic configuration
Number of valence electrons
Valency

Answer 1

electronic configuration of Li=2,1.and valency is 1

" " " C=2,4.and valency is 4

" " " Mg=2,8,2.and valency is 0

" " " o=2,6.and valency is 2

Hope you found your answer

Answer 2

this is correct answer

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