anomalous behaviour of Boron
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Due to very small size,high electronegativity,high ionization enthalpy,absence of vacant d-orbital, Boron shows some anomalous properties
1-Boron is a non-metal others are metals.
2-Boron is extremely hard with high melting point.But,other elements are soft metals with low melting point.
3-Boron forms only covalent compounds.But the other elements can form covalent as well as ionic compounds.
4-The oxide of Boron is acidic.but the oxides of other elements are amphoteric or basic.
5-Hydrides of Boron are stable.
6-The trihalides of Boron cannot form dimer.
1-Boron is a non-metal others are metals.
2-Boron is extremely hard with high melting point.But,other elements are soft metals with low melting point.
3-Boron forms only covalent compounds.But the other elements can form covalent as well as ionic compounds.
4-The oxide of Boron is acidic.but the oxides of other elements are amphoteric or basic.
5-Hydrides of Boron are stable.
6-The trihalides of Boron cannot form dimer.
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