Quick practice
Question 1 of 5
Consider the following statements regarding Isotopes.
1. Atoms of the elements having the same atomic number.
2. Atoms of the elements having Different mass number.
3. Atom of elements having same number of protons and electrons.
Which of the above options is / are correct?
A
2 and 3
B
1 and 3
C
1 2 and 3 correct
D
1 and 2
Get unlimited practice with NDA subscription
Boost your performance with adaptive practice tests
Practice every concept in the syllabus
Compare your speed and accuracy with your peers
Download the app and practice on the go