In what block, group, and period on the periodic table can the atom with a 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁵ ground-state electron configuration be found?

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Quizplus · Accepted Answer

The given electron configuration corresponds to an element with 35 electrons, which is bromine (Br). Bromine is in the p-block, group 7A (or 17 using IUPAC numbering), and period 4 of the periodic table.

In What Block, Group, and Period on the Periodic Table