(a) Which of the nuclear particles is present in the same fixed number in the atoms of any particular element?
(b) What do we call this number which is characteristic of a particular element?
(a) Which of the nuclear particles is present in the same atoms of any particular element?, (b) What do we call this number which is characteristic of a particular element?
What is the term given to the atoms of an element with same atomic number but different mass number?