How many electrons are lost or gained in forming each #As^(-3)#?

1 Answer
Jan 16, 2016

3 electrons are gained.

Explanation:

Oxidation states with "n+" mean there are n number of electrons lost or removed from the total number of electrons of the ground state element . "n-" on the other hand means there are n number of electrons gained or added to the total number of electrons of the ground state element.