Describe how the periodic table differentiates between metals and nonmetals.
i need a very informative description/explanation on this.

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

What is the correct term for living the most sustainable life you can within your current circumstances?

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