What point is the highest temperature and pressure where the liquid and gas phases are still distinct?

boiling point

melting point

critical point

triple point

There are main groups in the modern periodic table of elements

The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work