how many protons and electrons does phosphide ion have?
A Phosphide Ion Has: A) B) C) 10 Protons And 13 Electrons 12 Protons And 15 Electrons 15 Protons And 15 Electrons D) E) 15 Protons And 18 Electrons 18 Protons And 21 Electrons 22. Two Isotopes Of An Element Differ In Their A) Symbol. B) Atomic Number.