Question

how does boron have - 3 valency even though it has 3 electrons in the valence shell it will lose it nd it will b +3 then in what case will boron have - 3 pls explain properly ​

Answer 1

Answer:

Explanation:

Boron has a charge of 5. This is balanced by 5 electrons. Two of them are core electrons and the remaining 3 are valence electrons. The valence electrons may participate in bonding through sharing with other atoms, to make three bonds.