The most stable monoatomic ion formed from phosphorus is phosphide
ion, P³⁻.
What is Phosphorus?
Phosphorus is an element which has an atomic number of 15 and is
denoted by the symbol P.
Phosphorus has two main forms which are :
The most stable ion is the phosphide ion, P³⁻ which doesn't readily
partake in a chemical reaction,
Read more about Phosphorus here https://brainly.com/question/877511
