<span>NaCl is one and that is the only one that I know is for sure.
i hope this help!!!!!!!!!!</span>
Answer:
Your answer is ATOM
Explanation:
Atoms consist of a nucleus made of protons and neutrons orbited by electrons. Atoms are the basic units of matter and the defining structure of elements.
Basically, they are the building block of life because everything made of matter has atoms
In addition to the elements enhancing structural rigidity, these latter compounds contain three new chiral centers.