Which pair of atoms has the greatest difference in electronegativity.

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

Which would freeze at a higher temperature: the great salt lake or lake tahoe? a. lake tahoe would freeze at a higher temperature. b. the great salt lake would freeze at a higher temperature. c. both lakes would freeze at the same temperature.

What is the volume in liters of 7500 g of helium atoms. assume stp conditions.