Answer:
in the excited state
Explanation:
Because in excited state an atom has more energy
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 )
A firework exploding is a chemical change as soon as you light the fuse the combustion reacts with the gunpowder.
I hope this helps, good luck!!!!