GOB Chemistry
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Which is the first element in the periodic table to have a half-filled d subshell in the ground state?
Which one of the following statements is/are true?
1. Selenium (Se) has the electron configuration [Ar]4s24d104p32. Silver (Ag) has the electron configuration [Kr] 5s14d103. Chromium (Cr) has the electron configuration [Ar] 4s13d5