If the mass defect for a radionuclide is –8.7839×10-30 kg, what's the binding energy per atom? Question 7 options:

A)

–7.8944×10-13 J/atom

B)

–4.76×1011 J/atom

C)

–7.8944×10-13 kJ/atom

D)

7.8944×10-13 J/atom

List four observations that indicate that a chemical reaction may be taking place

Which element is the least metallic between cadmium, silver, zinc, or iron?

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