Which of the following is a true statement about molecules? Group of answer choices Molecules are the smallest part of an element that has all the properties of that element. D. Water (H2O) and chlorine (Cl2 ) are both examples of molecules. Carbon (C) and manganese (Mn) are both examples of molecules. Molecules can consist of only one atom or more than one atom.

500bc indiais the answer.

The activity series is shown in the attached picture. if the element is below the other, then you can displace the other. following the activity series as a guide, the reactions are as follows: nickel and aluminum chloride3 ni + 2 alcl₃  → 3 nicl₂ + 2 albarium and copper bromideba + cubr  →  no reaction because cu is less oxidizable than bapotassium nitrate and aluminum3 kno₃ + al  → al(no₃)₃ + 3 ksodium phosphate and zincnaso₄ + zn  → znso₄ + na