An element with the electronic configuration 1s2 2s2 2p6 3s2 3p4 belongs to

  • A. group VI of the p block, period 3
  • B. group IV of the p block, period 3
  • C. group II of the s block, period 3
  • D. group VI of the d block, period 4

Explanation

The outermost shell is the third, giving period 3, and it contains six electrons in total across 3s and 3p, giving group VI, while the last electron entered a p subshell so the element is in the p block. The element is sulphur. Counting only the p electrons and answering group IV is the standard error.

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