Molecule is formed when atoms are joined together by covalent bonds.
Molecule is a combination of similar type of atoms, whereas, compound results by the combination of 2 or more different atoms or different molecules.
The correct answer is the third one
The nurse should provide the police officer an efficient explanation as to why the nurse wanted the client's hand to be released from the handcuffs and to also let the police officer know that what the nurse is going to do is for emergency purpose and if not done, it may lead to serious consequences.