Answer:
Intermolecular forces
Explanation:
Intermolecular forces cause surface tension. Source info:"Surface tension, capillary action, and viscosity are unique properties of liquids that depend on the nature of intermolecular interactions."(11.S: Liquids and Intermolecular Forces (Summary)https://chem.libretexts.org )
mi no speak espanol
helium
has the most neutrons in the nucleus
Mg+ 2HCl ➡️ H2+ MgCl2
