The answer is A.Outer. Hope this helps
B.) Valence Electrons. The nucleus of the valence electrons attracts and pulls atoms together.
A - Sulfur dioxide is an ion because it contains 2 or more elements, and it is a solid
Answer:
In thermodynamics, the triple point of a substance is the temperature and pressure at which the three phases of that substance coexist in thermodynamic equilibrium. It is that temperatureand pressure at which the sublimation curve, fusion curve and vaporisation curve meet.