What is mass defect? How is it related to energy?

What is mass number? How is it related to atomic number?

What is sehottky defect?

What is mass defect of a nucleus?

What is methane hydrate ? How is it source of energy ?

What is Frenkely defect?

What is mass defect? If _92U^(235) disintegrate to _82Pb^(207) then find the no of alpha and beta particle emitted by it.

What is Frenkel Defect?

What is mass defect and binding energy? State one medical use of radioactivity?

What is an impurity defect?

What is meant by angle of friction? How is this related to the coefficient of friction?