Answer:
Mercury
Explanation:
Mercury is a liquid element that contains 80 electrons when not charged.
Evaporation!
-Melting is a solid to a liquid
-sublimation is directly from a solid to a gas
-condensation gas to liquid
Answer:
If anything but H2O were found, it would be evidence of a chemical change. Therefore, 4 is the only viable evidence that it was a physical change of H2O liquid to H2O gas.
the temperature is decreased
