What is the atomic or ionic characteristic that determines the elements of which the atom or iron is representative? Engineering Materials Mcqs December 22, 2019 BILAL KHATTAK0 A.The number of protons B.The number of neutrons C.The nuber of electrons D.The mass Related Mcqs: The atomic number of a certain element is 83. An atom of this element must contain The nucleus of an atom consists of A hydrogen atom has Identify the correct relation Deuterium atom has The atomic number of an element is Atoms of U-235 and U-238 differ in structure by The large energy released in atomic bomb explosion is due to Positive ions are formed from neutral atoms by the loss of Unit negative charge and negligible mass are the characteristics of