If we believe that Jesus was the Son of God, and we believe that we also are sons and daughters of this same God, then we must believe that we have similar spiritual roots as jesus (all of us being descendants of God).
Thus, if Christ is declared to have existed before the laying of the foundations of the earth, then doesn’t it follow that so must we?
Gen. 3:13-15, Gen. 49:10, Job 19:25-29, Num. 24:5-7, Jos. 5:13-15, Ps. 2:7-12, Ps. 22, Ps. 110:1, Pro. 30:1, Isa. 9:6-7, Isa. 53, Dan. 3:24-25, and Dan. 9:24-27
That doesn't have anything to do with chemistry. Your opening question establishes a premise, and the arguments that follow should be based on that premise. I submitted a question that challenges the premise, and therefore calls any arguments based on it into question.
Are we arguing general philosophy or personal theology?