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

–4.76×1011 J/atom

B)

–7.8944×10-13 kJ/atom

C)

–7.8944×10-13 J/atom

D)

7.8944×10-13 J/atom

Y=‐1x + 7 if y has a value of ‐24 what is the value of x?

Ahypothrticalax type of ceramic material is known to have a density of 2.10 g/cm3 and a unit cell of cubic symmetry with a cell edge length of 0.57 nm. the atomic weights of the a and x elements are 28.5and 30.0 g/mol, respectively. on the basis of this information, which of the following crystal structures is (are) possible for this material: sodium chloride, cesium chloride, or zinc blende

Explain why pure hydrogen cyanide does not conduct electricity, but become a conductor when it is dissolved in water? (at room temp, pure hcn exists as a volatile liquid)