The maximum covalency of the first member of each group in the p-block is 4 (e.g., BF₄⁻). This is be

Q: What is the correct answer for CBS11?

The correct answer is A. The first member of a group has only four valence orbitals (one 2s and three 2p orbitals) available for bonding, limiting its maximum covalency to 4. Subsequent members have nine valence orbitals (one 3s, three 3p, five 3d) and can expand their valence shell.

Q: The maximum covalency of the first member of each group in the p-block is 4 (e.g., BF₄⁻). This is because:

The correct answer is A. The first member of a group has only four valence orbitals (one 2s and three 2p orbitals) available for bonding, limiting its maximum covalency to 4. Subsequent members have nine valence orbitals (one 3s, three 3p, five 3d) and can expand their valence shell.

Q: What are the options for this CBS11 question?

A. They have only 2s and 2p orbitals available for bonding. · B. They have 3s, 3p, and 3d orbitals available for bonding. · C. They form strong pπ-pπ multiple bonds. · D. They have a very large atomic size.

Question

The maximum covalency of the first member of each group in the p-block is 4 (e.g., BF₄⁻). This is because:

FirstInTest · Accepted Answer

The first member of a group has only four valence orbitals (one 2s and three 2p orbitals) available for bonding, limiting its maximum covalency to 4. Subsequent members have nine valence orbitals (one 3s, three 3p, five 3d) and can expand their valence shell.

Answer

They have only 2s and 2p orbitals available for bonding.

Answer

They have 3s, 3p, and 3d orbitals available for bonding.

Answer

They form strong pπ-pπ multiple bonds.

Answer

They have a very large atomic size.

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