Which of the following elements can form an expanded octet?

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Question: Which of the following elements can form an expanded octet?

Options:

Correct Answer: Phosphorus

Solution:

Phosphorus can form an expanded octet because it has available d orbitals to accommodate more than eight electrons in its valence shell.

Which of the following elements can form an expanded octet?

Which of the following elements can form an expanded octet?

Step 1: Understand what an octet is. An octet means having eight electrons in the outer shell of an atom.
Step 2: Know that some elements can have more than eight electrons in their outer shell. This is called an expanded octet.
Step 3: Identify which elements can form an expanded octet. These are usually elements in the third period or below on the periodic table.
Step 4: Learn that phosphorus (P) is one of those elements. It can use its d orbitals to hold more than eight electrons.
Step 5: Remember that not all elements can do this. Only certain ones, like phosphorus, sulfur, and chlorine, can form expanded octets.

No concepts available.