Which of the following elements is known for its ability to form complex ions? (

Which of the following elements is known for its ability to form complex ions? (2022)

Which of the following elements is known for its ability to form complex ions? (2022)

Step 1: Understand what complex ions are. Complex ions are ions that consist of a central metal atom or ion bonded to surrounding molecules or ions called ligands.
Step 2: Identify the elements that can form complex ions. Transition metals are known for their ability to form complex ions.
Step 3: Focus on the specific element mentioned in the question, which is Copper (Cu).
Step 4: Learn about the electronic configuration of Copper. Copper has d-orbitals that can accommodate additional electrons from ligands.
Step 5: Conclude that Copper (Cu) is known for its ability to form complex ions because it can use its d-orbitals to bond with ligands.

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