Which word would not make this statement true?

"the first step in the two-step process of making a solution is the breakdown of the solute source into "

a) atoms
b) molecules
c) ions
d) atomic particles

Achemist who studies water samples did a demonstration of how to test for lead in water. she added a clear solution of potassium iodide to a clear solution of lead nitrate. then a yellow swirling solid formed in the liquid. what is most likely true about the yellow solid?