Question

The maximum covalency of boron is​

Answer 1

The maximum covalency of boron is​ four.

What is Boron?

• Boron is the element of the periodic table having atomic number 5.
• The electronic configuration of the boron is 1s^2, 2s^2, 2p^1.
• At-ground state, boron has only 3 valence electrons.
• In contrast, at the excited state, one of the electrons from the 2s orbital is promoted to the empty p orbital to create degenerate orbitals.
• Therefore, the boron has only 4 valence electrons.

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