Why is BeF2 and Becl2 a covalent compound when Be is metal ?
How can Be form covalent bonds ? Thank you
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Answer:
The polarising power of beryllium is high and the polarisability of chlorine is high so beryllium essentially pulls the donated electrons back so they are effectively shared.
Beryllium is a small atom and forms a 2+ charge so it has a high charge density making it easier for it to pull the electrons away from the chlorine despite its high EN value.
Explanation:
Due to high EN values they can form covalent bonds
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