1. Tardigrade
  2. Question
  3. Chemistry
  4. To which group and period does the element belong if the electronic configuration of an element in its -2 oxidation state is 1s2 2s2 2p6 3s2 3p6 ?

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Q. To which group and period does the element belong if the electronic configuration of an element in its $-2$ oxidation state is $1s^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{6}$ ?

AP EAMCETAP EAMCET 2018

Solution:

Electronic configuration $=1 s^{2}, 2 s^{2}, 2 p^{6}, 3 s^{2}, 3 p^{6}$

$=16$ electrons

Sulphur $(Z=16)$ refer to group 16 and period $3 .$

Sulphur show- 2 oxidation state.