Question

the hypothetical ion ASO three- is a polyatomic ion with Arsenic atom as a central atom how many valence electrons does a compound have​

Answer 1

3 valency electrons.

Step-by-step explanation:

Arsenic has 5 valency electrons and oxygen has 6.

In the AsO radical, the oxygen can accepts 2 electrons so the number of valency electrons = 5 - 2 = 3.