Hhhhhhhhchchhchchchchchchchchchchchchchchc
It protects the cell and allows certain material in and out of the cell
Atomic number should be the answer
Molecule is the general term used to describe any atoms that are connected by chemical bonds. Every combination of atoms is a molecule. A compound is a molecule made of atoms from different elements. All compounds are molecules, but not all molecules are compounds.
One example of a molecule is
(chlorine).
Examples of a compound is NaCl (sodium chloride) or
(water)
Answer: I would go with D.
Explanation: Sorry if it is incorrect