Question

Define mass number and atomic number. How are these represented around the symbol of an element? the mass number and atomic number of an isotope of uranium are 2.35 and 92.calculate the number of protons and neutrons in the nucleus of the atom

Answer 1

mass no :-
the mass no of an atom is defined as the sum of no of protons and neutrons present inside a nucleus of an atom..

atomic no :-
the atomic no of an atom is defined as the total no of protons present inside a nucleus of an atom..

atomic no of most of the elements is half of the atomic mass ..

the atomic mass of an element is denoted as A
and the atomic no of an element is denoted by Z..

no of protons in the uranium in the given question= 92..