The nucleus of an atom consists of
Detailed Explanation:
The nucleus of an atom contains protons (positively charged) and neutrons (neutral), forming the dense central core discovered by Rutherford in 1911.
Electrons orbit outside the nucleus in electron clouds—they are not part of the nuclear structure.
Therefore, only protons and neutrons constitute the nucleus, making Option 2 the correct answer.
Question 5 of 8 Atomic Structure
Practice PYQ questions from this topic across all years
Which of the following statements about diamond and graphite is true?
The mass number of a nucleus is