Question

what electron configuration does group 9 end in

Answer 1

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Here is ur answer ⬇️⬇️

⚔️➡️Group 9 is a group (column) of chemical elements in the periodic table. Members are cobalt (Co), rhodium (Rh), iridium (Ir) and meitnerium (Mt). These are all transition metals in the d-block. ... "Group 9" is the modern standard designation for this group, adopted by the IUPAC in 1990.

❇️✳️The Group 9 elements usually have the electron configuration (n-1)d^7 ns².

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