Which noble gas is closest to magnesium, mg, on the periodic table? what must happen to a magnesium atom in order for it to have an electron arrangement similar to that of a noble gas?

Where can i find naap lab answers sheet/key?

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

The element that has the greatest electronegativity is