Civil Services Uttar Pradesh (उत्तर प्रदेश) PCS Mock Test Series 2025 General Science Chemistry Basic Concepts of Chemistry
Which of the following statements is/are correct regarding the atomic number of an element?
Statement I: The atomic number of an element represents the number of protons present in the nucleus of an atom.
Statement II: The atomic number of an element represents the number of neutrons present in the nucleus of an atom.
1
Neither statement I nor II is correct.
2
Both statements I and II are correct.
3
Only statement I is correct.
4
Only statement II is correct.