An element has the general outer electronic configuration , where the highest principal quantum number . To which specific IUPAC group number (from 1 to 18) does this element belong in the modern peri

Question

An element has the general outer electronic configuration $(n-1)d^5 ns^1$, where the highest principal quantum number $n = 4$. To which specific IUPAC group number (from 1 to 18) does this element belong in the modern periodic table?

Prashant Kotian · Accepted Answer

Correct answer: 6. Substituting yields the configuration , which is the half-filled anomalous configuration of Chromium (). For d-block elements, the group number is calculated as the sum of electrons and electrons. Group number = .

💡 Solution & Explanation

Practice 22,000+ questions like this